Seiko Cal. 4481 - 836

The Seiko 4481-836 represents an important milestone in Seiko's 1969 lineup. Powered by the 4481 caliber with 25j jewels beating at 28,800 bph, it delivers a 40 hours power reserve. [seikata-wm-8100cae6513f]

Also known as: Bullhead, UFO

Specifications

Movement

Solar

Case Material

PVD Black

Case Width

34mm

Case Thickness

15.9mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

130m

Dial Color

Navy

Jewels

25j

Frequency

28,800 bph

Power Reserve

40 hours

Year

1969

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