Seiko Cal. 5644 - 622

Seiko 5644-622

This Spring Drive model from 1987 features a 39mm Hardlex-Coated Steel case. The Bidirectional bezel and 39mm case give it a distinctive presence on the wrist. [seikata-wm-0994691b40c5]

Specifications

Movement
Spring Drive
Case Material
Hardlex-Coated Steel
Case Width
39mm
Case Thickness
8.2mm
Lug Width
19mm
Crystal
Acrylic
Bezel
Bidirectional
Water Resistance
90m
Dial Color
Champagne
Jewels
20j
Frequency
28,800 bph
Power Reserve
37 hours
Year
1987

Related Models

seikata-wm-0994691b40c5