Seiko Cal. 6684 - 452

Released in 1981, the Cal. 6684 with design code 452 was part of Seiko's domestic market collection. It features a Black dial protected by a Hardlex crystal and offers 120m of water resistance. [seikata-wm-6e4ffb5abce8]

Also known as: Samurai, Sportsmatic

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

37mm

Case Thickness

11.2mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

120m

Dial Color

Black

Jewels

32j

Frequency

21,600 bph

Power Reserve

61 hours

Year

1981

Related Models

• Seiko 5244-253
• Seiko 6190-801
• Seiko 4589-399
• Seiko 5263-616
• Seiko 5271-310
• Seiko 0762-767
• Seiko 7050-320
• Seiko 7123-275
• Seiko 6323-101
• Seiko 5270-289
• Seiko 5293-212
• Seiko 0785-576