Seiko Cal. 5644 - 620

Seiko 5644-620

This Hand-Winding model from 1976 features a 45mm Titanium case. The Coin-Edge bezel and 45mm case give it a distinctive presence on the wrist. [seikata-wm-418b3dd3a520]

Specifications

Movement
Hand-Winding
Case Material
Titanium
Case Width
45mm
Case Thickness
14.8mm
Lug Width
18mm
Crystal
Acrylic
Bezel
Coin-Edge
Water Resistance
80m
Dial Color
Silver
Jewels
32j
Frequency
21,600 bph
Power Reserve
54 hours
Year
1976

Related Models

seikata-wm-418b3dd3a520