Seiko Cal. 5644 - 765

Seiko 5644-765

This Spring Drive model from 1972 features a 45mm Gold-Plated case. With its 18mm lug width and 11.3mm profile, it sits comfortably on most wrists. [seikata-wm-e6c462f5e337]

Specifications

Movement
Spring Drive
Case Material
Gold-Plated
Case Width
45mm
Case Thickness
11.3mm
Lug Width
18mm
Crystal
Hardlex
Bezel
Coin-Edge
Water Resistance
130m
Dial Color
Champagne
Jewels
17j
Frequency
28,800 bph
Power Reserve
58 hours
Year
1972

Related Models

seikata-wm-e6c462f5e337