Seiko Cal. 5663 - 643

Seiko 5663-643

This Automatic model from 1978 features a 44mm Hardlex-Coated Steel case. With its 20mm lug width and 10.5mm profile, it sits comfortably on most wrists. [seikata-wm-c2a1c582171a]

Specifications

Movement
Automatic
Case Material
Hardlex-Coated Steel
Case Width
44mm
Case Thickness
10.5mm
Lug Width
20mm
Crystal
Acrylic
Bezel
Coin-Edge
Water Resistance
40m
Dial Color
Green
Jewels
18j
Frequency
28,800 bph
Power Reserve
36 hours
Year
1978

Related Models

seikata-wm-c2a1c582171a