Seiko Cal. 4427 - 565

Seiko 4427-565

This Hand-Winding model from 1988 features a 40mm Hardlex-Coated Steel case. The Fixed bezel and 40mm case give it a distinctive presence on the wrist. [seikata-wm-7e40c828f4e1]

Also known as: Tuna, Pogue

Specifications

Movement
Hand-Winding
Case Material
Hardlex-Coated Steel
Case Width
40mm
Case Thickness
9.2mm
Lug Width
18mm
Crystal
Hardlex
Bezel
Fixed
Water Resistance
190m
Dial Color
White
Jewels
36j
Frequency
21,600 bph
Power Reserve
36 hours
Year
1988

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