Seiko Cal. 3881 - 843

Seiko 3881-843

Released in 1979, the Cal. 3881 with design code 843 was part of Seiko's domestic market collection. Powered by the 3881 caliber with 27j jewels beating at 28,800 bph, it delivers a 61 hours power reserve. [seikata-wm-96618f424d90]

Also known as: Sumo, Sportsmatic

Specifications

Movement
Hand-Winding
Case Material
Hardlex-Coated Steel
Case Width
45mm
Case Thickness
15.4mm
Lug Width
22mm
Crystal
Acrylic
Bezel
Bidirectional
Water Resistance
80m
Dial Color
Black
Jewels
27j
Frequency
28,800 bph
Power Reserve
61 hours
Year
1979

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seikata-wm-96618f424d90