Seiko Cal. 6633 - 597

Seiko 6633-597

This Kinetic model from 1981 features a 39mm Hardlex-Coated Steel case. Powered by the 6633 caliber with 28j jewels beating at 21,600 bph, it delivers a 56 hours power reserve. [seikata-wm-c28bff2b5360]

Also known as: Helmet

Specifications

Movement
Kinetic
Case Material
Hardlex-Coated Steel
Case Width
39mm
Case Thickness
10.5mm
Lug Width
20mm
Crystal
Acrylic
Bezel
Coin-Edge
Water Resistance
60m
Dial Color
Cream
Jewels
28j
Frequency
21,600 bph
Power Reserve
56 hours
Year
1981

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seikata-wm-c28bff2b5360