Seiko Cal. 6144 - 331

Seiko 6144-331

This Automatic model from 1981 features a 41mm Two-Tone case. With its 20mm lug width and 11.9mm profile, it sits comfortably on most wrists. [seikata-wm-52d6f5a1f4ef]

Also known as: Monster, Tuna

Specifications

Movement
Automatic
Case Material
Two-Tone
Case Width
41mm
Case Thickness
11.9mm
Lug Width
20mm
Crystal
Sapphire
Bezel
Fixed
Water Resistance
60m
Dial Color
Silver
Jewels
30j
Frequency
36,000 bph
Power Reserve
38 hours
Year
1981

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