Seiko Cal. 5288 - 637

This Spring Drive model from 1986 features a 39mm Hardlex-Coated Steel case. Powered by the 5288 caliber with 29j jewels beating at 36,000 bph, it delivers a 71 hours power reserve. [seikata-wm-0aa4967a51fb]

Also known as: Bullhead

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

39mm

Case Thickness

10.3mm

Lug Width

22mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

80m

Dial Color

Green

Jewels

29j

Frequency

36,000 bph

Power Reserve

71 hours

Year

1986

Related Models

• Seiko 7056-511
• Seiko 4521-972
• Seiko 7116-927
• Seiko 7091-565
• Seiko 6629-268
• Seiko 5663-134
• Seiko 0748-737
• Seiko 0729-677
• Seiko 7068-659
• Seiko 0781-189
• Seiko 4437-875
• Seiko 6667-621