Seiko Cal. 4481 - 970

Seiko 4481-970

The Seiko 4481-970 represents an important milestone in Seiko's 1976 lineup. Powered by the 4481 caliber with 19j jewels beating at 21,600 bph, it delivers a 47 hours power reserve. [seikata-wm-e0da99b0a28d]

Also known as: Sumo

Specifications

Movement
Quartz
Case Material
PVD Black
Case Width
35mm
Case Thickness
11.8mm
Lug Width
20mm
Crystal
Acrylic
Bezel
Bidirectional
Water Resistance
150m
Dial Color
Black
Jewels
19j
Frequency
21,600 bph
Power Reserve
47 hours
Year
1976

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