Seiko Cal. 6642 - 564

Seiko 6642-564

This Automatic model from 1967 features a 38mm Two-Tone case. Powered by the 6642 caliber with 23j jewels beating at 28,800 bph, it delivers a 58 hours power reserve. [seikata-wm-9d66b03a5ac9]

Specifications

Movement
Automatic
Case Material
Two-Tone
Case Width
38mm
Case Thickness
15.2mm
Lug Width
21mm
Crystal
Acrylic
Bezel
Coin-Edge
Water Resistance
160m
Dial Color
Black
Jewels
23j
Frequency
28,800 bph
Power Reserve
58 hours
Year
1967

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