Seiko Cal. 3874 - 363

The Seiko 3874-363 represents an important milestone in Seiko's 1988 lineup. Powered by the 3874 caliber with 28j jewels beating at 36,000 bph, it delivers a 72 hours power reserve. [seikata-wm-c6c93c84fcf6]

Also known as: Helmet, Sea Horse

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

37mm

Case Thickness

8.6mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

130m

Dial Color

Burgundy

Jewels

28j

Frequency

36,000 bph

Power Reserve

72 hours

Year

1988

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