Seiko Cal. 5653 - 687

This Spring Drive model from 1969 features a 46mm Stainless Steel case. With its 21mm lug width and 12.0mm profile, it sits comfortably on most wrists. [seikata-wm-fc89e88e8fd2]

Also known as: Navigator, Baby Tuna

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

46mm

Case Thickness

12.0mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

70m

Dial Color

Silver

Jewels

24j

Frequency

28,800 bph

Power Reserve

40 hours

Year

1969

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