Seiko Cal. 5644 - 645

Seiko 5644-645

This Automatic model from 1995 features a 37mm Hardlex-Coated Steel case. The Rotating bezel and 37mm case give it a distinctive presence on the wrist. [seikata-wm-563718cb922a]

Also known as: Golden Tuna, Arnie

Specifications

Movement
Automatic
Case Material
Hardlex-Coated Steel
Case Width
37mm
Case Thickness
11.9mm
Lug Width
20mm
Crystal
Mineral
Bezel
Rotating
Water Resistance
60m
Dial Color
Burgundy
Jewels
23j
Frequency
28,800 bph
Power Reserve
41 hours
Year
1995

Related Models

seikata-wm-563718cb922a