Seiko Cal. 7142 - 244

Seiko 7142-244

This Spring Drive model from 1972 features a 36mm PVD Black case. Powered by the 7142 caliber with 30j jewels beating at 28,800 bph, it delivers a 45 hours power reserve. [seikata-wm-7ebe56cb04b8]

Also known as: Sumo, Shogun

Specifications

Movement
Spring Drive
Case Material
PVD Black
Case Width
36mm
Case Thickness
8.0mm
Lug Width
19mm
Crystal
Sapphire
Bezel
Bidirectional
Water Resistance
160m
Dial Color
Black
Jewels
30j
Frequency
28,800 bph
Power Reserve
45 hours
Year
1972

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