Seiko Cal. 4437 - 641

Seiko 4437-641

The Seiko 4437-641 represents an important milestone in Seiko's 1979 lineup. The Fixed bezel and 36mm case give it a distinctive presence on the wrist. [seikata-wm-931da11c9044]

Also known as: Rally

Specifications

Movement
Kinetic
Case Material
Stainless Steel
Case Width
36mm
Case Thickness
13.5mm
Lug Width
22mm
Crystal
Acrylic
Bezel
Fixed
Water Resistance
50m
Dial Color
Navy
Jewels
35j
Frequency
36,000 bph
Power Reserve
69 hours
Year
1979

Related Models

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