Seiko Cal. 5687 - 313

This Hand-Winding model from 1979 features a 41mm Stainless Steel case. With its 22mm lug width and 9.0mm profile, it sits comfortably on most wrists. [seikata-wm-f2444408bf67]

Also known as: Bellmatic

Specifications

Movement

Hand-Winding

Case Material

Stainless Steel

Case Width

41mm

Case Thickness

9.0mm

Lug Width

22mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

190m

Dial Color

Champagne

Jewels

31j

Frequency

28,800 bph

Power Reserve

43 hours

Year

1979

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