Seiko Cal. 5653 - 687

Seiko 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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