Seiko Cal. 3881 - 699

Seiko 3881-699

This Spring Drive model from 1984 features a 43mm PVD Black case. Powered by the 3881 caliber with 26j jewels beating at 36,000 bph, it delivers a 61 hours power reserve. [seikata-wm-a70bec8d1519]

Also known as: Sumo, Baby Tuna

Specifications

Movement
Spring Drive
Case Material
PVD Black
Case Width
43mm
Case Thickness
8.0mm
Lug Width
21mm
Crystal
Mineral
Bezel
Coin-Edge
Water Resistance
100m
Dial Color
Silver
Jewels
26j
Frequency
36,000 bph
Power Reserve
61 hours
Year
1984

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seikata-wm-a70bec8d1519