Seiko Cal. 4430 - 742

Seiko 4430-742

This Automatic model from 1967 features a 44mm Two-Tone case. Powered by the 4430 caliber with 26j jewels beating at 28,800 bph, it delivers a 60 hours power reserve. [seikata-wm-c4a80ab39e8d]

Specifications

Movement
Automatic
Case Material
Two-Tone
Case Width
44mm
Case Thickness
13.0mm
Lug Width
18mm
Crystal
Mineral
Bezel
Fixed
Water Resistance
110m
Dial Color
Green
Jewels
26j
Frequency
28,800 bph
Power Reserve
60 hours
Year
1967

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