Seiko Cal. 5687 - 834

This Spring Drive model from 1968 features a 42mm Stainless Steel case. Powered by the 5687 caliber with 30j jewels beating at 28,800 bph, it delivers a 69 hours power reserve. [seikata-wm-1e64fa87d545]

Also known as: Turtle, Bellmatic

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

42mm

Case Thickness

8.3mm

Lug Width

22mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

170m

Dial Color

Champagne

Jewels

30j

Frequency

28,800 bph

Power Reserve

69 hours

Year

1968

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