Seiko Cal. 4440 - 645

Seiko 4440-645

This Automatic model from 1994 features a 37mm Hardlex-Coated Steel case. The Rotating bezel and 37mm case give it a distinctive presence on the wrist. [seikata-wm-b9d02fc59c61]

Also known as: Sumo

Specifications

Movement
Automatic
Case Material
Hardlex-Coated Steel
Case Width
37mm
Case Thickness
10.8mm
Lug Width
20mm
Crystal
Mineral
Bezel
Rotating
Water Resistance
110m
Dial Color
Navy
Jewels
21j
Frequency
28,800 bph
Power Reserve
43 hours
Year
1994

Related Models

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