Seiko Cal. 4434 - 428

Seiko 4434-428

This Automatic model from 1965 features a 36mm Gold-Plated case. Powered by the 4434 caliber with 21j jewels beating at 21,600 bph, it delivers a 53 hours power reserve. [seikata-wm-c495a1fe339a]

Also known as: Bullhead

Specifications

Movement
Automatic
Case Material
Gold-Plated
Case Width
36mm
Case Thickness
14.4mm
Lug Width
22mm
Crystal
Hardlex
Bezel
Coin-Edge
Water Resistance
120m
Dial Color
Navy
Jewels
21j
Frequency
21,600 bph
Power Reserve
53 hours
Year
1965

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