Seiko Cal. 6181 - 881

Seiko 6181-881

This Automatic model from 1975 features a 46mm Two-Tone case. Powered by the 6181 caliber with 29j jewels beating at 21,600 bph, it delivers a 38 hours power reserve. [seikata-wm-d746a24d5ce9]

Also known as: Tuna, Baby Tuna

Specifications

Movement
Automatic
Case Material
Two-Tone
Case Width
46mm
Case Thickness
13.4mm
Lug Width
20mm
Crystal
Hardlex
Bezel
Fixed
Water Resistance
80m
Dial Color
Champagne
Jewels
29j
Frequency
21,600 bph
Power Reserve
38 hours
Year
1975

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