Seiko Cal. 5688 - 667

This Hand-Winding model from 1988 features a 44mm Hardlex-Coated Steel case. It features a Black dial protected by a Mineral crystal and offers 110m of water resistance. [seikata-wm-b54f2d119f60]

Also known as: Sportsmatic

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

44mm

Case Thickness

12.8mm

Lug Width

22mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

110m

Dial Color

Black

Jewels

20j

Frequency

36,000 bph

Power Reserve

62 hours

Year

1988

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