Seiko Cal. 4437 - 945

Seiko 4437-945

This Spring Drive model from 1966 features a 36mm Stainless Steel case. With its 22mm lug width and 12.5mm profile, it sits comfortably on most wrists. [seikata-wm-ab4d8dbd6196]

Also known as: Tuna, Silverwave

Specifications

Movement
Spring Drive
Case Material
Stainless Steel
Case Width
36mm
Case Thickness
12.5mm
Lug Width
22mm
Crystal
Hardlex
Bezel
Coin-Edge
Water Resistance
110m
Dial Color
White
Jewels
22j
Frequency
28,800 bph
Power Reserve
50 hours
Year
1966

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seikata-wm-ab4d8dbd6196