Seiko Cal. 7181 - 671

Seiko 7181-671

This Kinetic model from 1971 features a 37mm Hardlex-Coated Steel case. Powered by the 7181 caliber with 19j jewels beating at 21,600 bph, it delivers a 53 hours power reserve. [seikata-wm-bcde8b6f1a7f]

Also known as: Turtle, Helmet

Specifications

Movement
Kinetic
Case Material
Hardlex-Coated Steel
Case Width
37mm
Case Thickness
8.3mm
Lug Width
21mm
Crystal
Mineral
Bezel
Bidirectional
Water Resistance
70m
Dial Color
Cream
Jewels
19j
Frequency
21,600 bph
Power Reserve
53 hours
Year
1971

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