Seiko Cal. 5681 - 323

Released in 1995, the Cal. 5681 with design code 323 was part of Seiko's domestic market collection. The Fixed bezel and 36mm case give it a distinctive presence on the wrist. [seikata-wm-ed8aac70a1c5]

Also known as: UFO, Sportsmatic

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

36mm

Case Thickness

15.5mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

130m

Dial Color

Silver

Jewels

29j

Frequency

28,800 bph

Power Reserve

48 hours

Year

1995

Related Models

• Seiko 6687-377
• Seiko 6623-130
• Seiko 5277-286
• Seiko 6664-865
• Seiko 7065-643
• Seiko 7192-347
• Seiko 5217-366
• Seiko 7119-209
• Seiko 7168-614
• Seiko 6669-832
• Seiko 6375-512
• Seiko 4445-475