Seiko Cal. 5641 - 154

Seiko 5641-154

This Automatic model from 1966 features a 34mm PVD Black case. With its 20mm lug width and 12.4mm profile, it sits comfortably on most wrists. [seikata-wm-b9688206f7a7]

Also known as: Tuna, Arnie

Specifications

Movement
Automatic
Case Material
PVD Black
Case Width
34mm
Case Thickness
12.4mm
Lug Width
20mm
Crystal
Hardlex
Bezel
Fixed
Water Resistance
160m
Dial Color
Silver
Jewels
19j
Frequency
36,000 bph
Power Reserve
45 hours
Year
1966

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