Seiko Cal. 4438 - 604

Seiko 4438-604

This Solar model from 1971 features a 35mm Stainless Steel case. Powered by the 4438 caliber with 31j jewels beating at 28,800 bph, it delivers a 57 hours power reserve. [seikata-wm-2c6296a89404]

Specifications

Movement
Solar
Case Material
Stainless Steel
Case Width
35mm
Case Thickness
8.9mm
Lug Width
22mm
Crystal
Hardlex
Bezel
Bidirectional
Water Resistance
150m
Dial Color
Champagne
Jewels
31j
Frequency
28,800 bph
Power Reserve
57 hours
Year
1971

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seikata-wm-2c6296a89404