Seiko Cal. 4444 - 631

Seiko 4444-631

This Kinetic model from 1968 features a 43mm PVD Black case. Powered by the 4444 caliber with 35j jewels beating at 36,000 bph, it delivers a 64 hours power reserve. [seikata-wm-0f6fb4d1dd8f]

Specifications

Movement
Kinetic
Case Material
PVD Black
Case Width
43mm
Case Thickness
8.0mm
Lug Width
22mm
Crystal
Hardlex
Bezel
Bidirectional
Water Resistance
160m
Dial Color
Cream
Jewels
35j
Frequency
36,000 bph
Power Reserve
64 hours
Year
1968

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