Seiko Cal. 3883 - 231

Seiko 3883-231

The Seiko 3883-231 represents an important milestone in Seiko's 1980 lineup. Powered by the 3883 caliber with 17j jewels beating at 36,000 bph, it delivers a 58 hours power reserve. [seikata-wm-ad304e31cb6f]

Also known as: Sumo, UFO

Specifications

Movement
Spring Drive
Case Material
Stainless Steel
Case Width
38mm
Case Thickness
13.5mm
Lug Width
18mm
Crystal
Acrylic
Bezel
Bidirectional
Water Resistance
50m
Dial Color
Navy
Jewels
17j
Frequency
36,000 bph
Power Reserve
58 hours
Year
1980

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