Seiko Cal. 6642 - 718

Seiko 6642-718

This Automatic model from 1975 features a 40mm Two-Tone case. Powered by the 6642 caliber with 36j jewels beating at 28,800 bph, it delivers a 50 hours power reserve. [seikata-wm-2ecfe072e271]

Specifications

Movement
Automatic
Case Material
Two-Tone
Case Width
40mm
Case Thickness
11.7mm
Lug Width
19mm
Crystal
Mineral
Bezel
Coin-Edge
Water Resistance
130m
Dial Color
Green
Jewels
36j
Frequency
28,800 bph
Power Reserve
50 hours
Year
1975

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seikata-wm-2ecfe072e271