Seiko Cal. 5641 - 320

Seiko 5641-320

This Solar model from 1974 features a 44mm Titanium case. With its 18mm lug width and 12.0mm profile, it sits comfortably on most wrists. [seikata-wm-261aefeeaf57]

Specifications

Movement
Solar
Case Material
Titanium
Case Width
44mm
Case Thickness
12.0mm
Lug Width
18mm
Crystal
Mineral
Bezel
Inner Rotating
Water Resistance
140m
Dial Color
Champagne
Jewels
30j
Frequency
28,800 bph
Power Reserve
56 hours
Year
1974

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