Seiko Cal. 4438 - 957

Seiko 4438-957

This Kinetic model from 1992 features a 36mm Hardlex-Coated Steel case. Powered by the 4438 caliber with 35j jewels beating at 28,800 bph, it delivers a 64 hours power reserve. [seikata-wm-cd839f942081]

Also known as: Helmet

Specifications

Movement
Kinetic
Case Material
Hardlex-Coated Steel
Case Width
36mm
Case Thickness
13.4mm
Lug Width
18mm
Crystal
Acrylic
Bezel
Coin-Edge
Water Resistance
190m
Dial Color
Champagne
Jewels
35j
Frequency
28,800 bph
Power Reserve
64 hours
Year
1992

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seikata-wm-cd839f942081