Seiko Cal. 6642 - 315

Seiko 6642-315

This Automatic model from 1973 features a 42mm Hardlex-Coated Steel case. Powered by the 6642 caliber with 30j jewels beating at 21,600 bph, it delivers a 40 hours power reserve. [seikata-wm-6bea99e3c6c6]

Also known as: Samurai, Bellmatic

Specifications

Movement
Automatic
Case Material
Hardlex-Coated Steel
Case Width
42mm
Case Thickness
12.5mm
Lug Width
21mm
Crystal
Mineral
Bezel
Coin-Edge
Water Resistance
120m
Dial Color
Navy
Jewels
30j
Frequency
21,600 bph
Power Reserve
40 hours
Year
1973

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