Seiko Cal. 6644 - 207

Seiko 6644-207

This Quartz model from 1975 features a 39mm Hardlex-Coated Steel case. Powered by the 6644 caliber with 36j jewels beating at 21,600 bph, it delivers a 42 hours power reserve. [seikata-wm-94ce5a8273c5]

Specifications

Movement
Quartz
Case Material
Hardlex-Coated Steel
Case Width
39mm
Case Thickness
11.6mm
Lug Width
19mm
Crystal
Mineral
Bezel
Coin-Edge
Water Resistance
200m
Dial Color
White
Jewels
36j
Frequency
21,600 bph
Power Reserve
42 hours
Year
1975

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