Seiko Cal. 4481 - 638

Seiko 4481-638

The 4481-638 is a sought-after Kinetic piece from Seiko's golden era. Powered by the 4481 caliber with 32j jewels beating at 36,000 bph, it delivers a 56 hours power reserve. [seikata-wm-c37834cea0f3]

Also known as: Shogun

Specifications

Movement
Kinetic
Case Material
Titanium
Case Width
34mm
Case Thickness
12.4mm
Lug Width
21mm
Crystal
Sapphire
Bezel
Inner Rotating
Water Resistance
30m
Dial Color
White
Jewels
32j
Frequency
36,000 bph
Power Reserve
56 hours
Year
1981

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