Seiko Cal. 4437 - 940

Seiko 4437-940

This Kinetic model from 1976 features a 40mm Two-Tone case. Powered by the 4437 caliber with 26j jewels beating at 21,600 bph, it delivers a 47 hours power reserve. [seikata-wm-e7c9f14f5424]

Specifications

Movement
Kinetic
Case Material
Two-Tone
Case Width
40mm
Case Thickness
11.3mm
Lug Width
19mm
Crystal
Hardlex
Bezel
Fixed
Water Resistance
120m
Dial Color
Navy
Jewels
26j
Frequency
21,600 bph
Power Reserve
47 hours
Year
1976

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