Seiko Cal. 3881 - 313

Seiko 3881-313

This Automatic model from 1969 features a 43mm Two-Tone case. Powered by the 3881 caliber with 27j jewels beating at 36,000 bph, it delivers a 46 hours power reserve. [seikata-wm-fc830a70727f]

Also known as: Helmet, Goldfeather

Specifications

Movement
Automatic
Case Material
Two-Tone
Case Width
43mm
Case Thickness
12.3mm
Lug Width
22mm
Crystal
Acrylic
Bezel
Rotating
Water Resistance
140m
Dial Color
Silver
Jewels
27j
Frequency
36,000 bph
Power Reserve
46 hours
Year
1969

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