Seiko Cal. 6646 - 831

Seiko 6646-831

This Kinetic model from 1965 features a 42mm Stainless Steel case. Powered by the 6646 caliber with 17j jewels beating at 36,000 bph, it delivers a 65 hours power reserve. [seikata-wm-93c78b2a23f4]

Specifications

Movement
Kinetic
Case Material
Stainless Steel
Case Width
42mm
Case Thickness
12.7mm
Lug Width
20mm
Crystal
Hardlex
Bezel
Fixed
Water Resistance
30m
Dial Color
Black
Jewels
17j
Frequency
36,000 bph
Power Reserve
65 hours
Year
1965

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