Seiko Cal. 4437 - 520

Seiko 4437-520

The Seiko 4437-520 represents an important milestone in Seiko's 1972 lineup. The Fixed bezel and 42mm case give it a distinctive presence on the wrist. [seikata-wm-cfbe07c15794]

Also known as: Samurai

Specifications

Movement
Hand-Winding
Case Material
Hardlex-Coated Steel
Case Width
42mm
Case Thickness
11.6mm
Lug Width
21mm
Crystal
Hardlex
Bezel
Fixed
Water Resistance
160m
Dial Color
Champagne
Jewels
19j
Frequency
21,600 bph
Power Reserve
66 hours
Year
1972

Related Models

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