Seiko Cal. 6644 - 915

Seiko 6644-915

This Automatic model from 1975 features a 38mm Hardlex-Coated Steel case. Powered by the 6644 caliber with 25j jewels beating at 28,800 bph, it delivers a 38 hours power reserve. [seikata-wm-3841a9e2064c]

Specifications

Movement
Automatic
Case Material
Hardlex-Coated Steel
Case Width
38mm
Case Thickness
11.7mm
Lug Width
20mm
Crystal
Hardlex
Bezel
Rotating
Water Resistance
100m
Dial Color
Cream
Jewels
25j
Frequency
28,800 bph
Power Reserve
38 hours
Year
1975

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seikata-wm-3841a9e2064c