Seiko Cal. 6164 - 631

Seiko 6164-631

This Hand-Winding model from 1970 features a 34mm Titanium case. Powered by the 6164 caliber with 32j jewels beating at 21,600 bph, it delivers a 62 hours power reserve. [seikata-wm-5f2d4c3e0fae]

Also known as: Sumo

Specifications

Movement
Hand-Winding
Case Material
Titanium
Case Width
34mm
Case Thickness
12.3mm
Lug Width
22mm
Crystal
Hardlex
Bezel
Rotating
Water Resistance
90m
Dial Color
Burgundy
Jewels
32j
Frequency
21,600 bph
Power Reserve
62 hours
Year
1970

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