Seiko Cal. 4437 - 902

Seiko 4437-902

The Seiko 4437-902 represents an important milestone in Seiko's 1972 lineup. With its 22mm lug width and 10.8mm profile, it sits comfortably on most wrists. [seikata-wm-fd8dfc477635]

Specifications

Movement
Spring Drive
Case Material
Hardlex-Coated Steel
Case Width
35mm
Case Thickness
10.8mm
Lug Width
22mm
Crystal
Sapphire
Bezel
Coin-Edge
Water Resistance
100m
Dial Color
Silver
Jewels
23j
Frequency
21,600 bph
Power Reserve
61 hours
Year
1972

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