Seiko Cal. 6631 - 610

Seiko 6631-610

This Kinetic model from 1998 features a 37mm Hardlex-Coated Steel case. The Fixed bezel and 37mm case give it a distinctive presence on the wrist. [seikata-wm-aa53d48bc635]

Also known as: Turtle, Samurai

Specifications

Movement
Kinetic
Case Material
Hardlex-Coated Steel
Case Width
37mm
Case Thickness
8.7mm
Lug Width
21mm
Crystal
Hardlex
Bezel
Fixed
Water Resistance
120m
Dial Color
Green
Jewels
28j
Frequency
21,600 bph
Power Reserve
46 hours
Year
1998

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seikata-wm-aa53d48bc635