Seiko Cal. 5671 - 641

Seiko 5671-641

This Kinetic model from 1976 features a 46mm Titanium case. Powered by the 5671 caliber with 31j jewels beating at 21,600 bph, it delivers a 63 hours power reserve. [seikata-wm-2475da4b14a8]

Also known as: Monster, Flighty

Specifications

Movement
Kinetic
Case Material
Titanium
Case Width
46mm
Case Thickness
15.5mm
Lug Width
19mm
Crystal
Sapphire
Bezel
Coin-Edge
Water Resistance
170m
Dial Color
Green
Jewels
31j
Frequency
21,600 bph
Power Reserve
63 hours
Year
1976

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seikata-wm-2475da4b14a8