Seiko Cal. 6678 - 681

Released in 1973, the Cal. 6678 with design code 681 was part of Seiko's domestic market collection. It features a Silver dial protected by a Mineral crystal and offers 160m of water resistance. [seikata-wm-38111b81eee8]

Also known as: Samurai

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

40mm

Case Thickness

15.8mm

Lug Width

18mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

160m

Dial Color

Silver

Jewels

27j

Frequency

21,600 bph

Power Reserve

72 hours

Year

1973

Related Models

• Seiko 6380-922
• Seiko 6297-410
• Seiko 3843-928
• Seiko 6349-595
• Seiko 7052-655
• Seiko 7111-477
• Seiko 0738-678
• Seiko 4481-696
• Seiko 0751-924
• Seiko 3890-715
• Seiko 4458-780
• Seiko 6356-459