Seiko Cal. 5632 - 381

The Seiko 5632-381 represents an important milestone in Seiko's 1987 lineup. Powered by the 5632 caliber with 20j jewels beating at 36,000 bph, it delivers a 62 hours power reserve. [seikata-wm-00d512799ba9]

Also known as: Sumo, Emperor

Specifications

Movement

Kinetic

Case Material

Two-Tone

Case Width

38mm

Case Thickness

10.9mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

130m

Dial Color

Black

Jewels

20j

Frequency

36,000 bph

Power Reserve

62 hours

Year

1987

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