Seiko Cal. 4481 - 816

Seiko 4481-816

The 4481-816 is a sought-after Automatic piece from Seiko's golden era. Powered by the 4481 caliber with 18j jewels beating at 28,800 bph, it delivers a 42 hours power reserve. [seikata-wm-5e6fbffcdb73]

Also known as: Sumo

Specifications

Movement
Automatic
Case Material
Stainless Steel
Case Width
45mm
Case Thickness
13.8mm
Lug Width
19mm
Crystal
Acrylic
Bezel
Fixed
Water Resistance
30m
Dial Color
Green
Jewels
18j
Frequency
28,800 bph
Power Reserve
42 hours
Year
1986

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