Seiko Cal. 4437 - 197

Seiko 4437-197

The Seiko 4437-197 represents an important milestone in Seiko's 1981 lineup. It features a Green dial protected by a Hardlex crystal and offers 140m of water resistance. [seikata-wm-ece17f619be2]

Also known as: Goldfeather, Sportsmatic

Specifications

Movement
Hand-Winding
Case Material
Stainless Steel
Case Width
36mm
Case Thickness
12.9mm
Lug Width
21mm
Crystal
Hardlex
Bezel
Rotating
Water Resistance
140m
Dial Color
Green
Jewels
28j
Frequency
21,600 bph
Power Reserve
71 hours
Year
1981

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