Seiko Cal. 3817 - 242

The Seiko 3817-242 represents an important milestone in Seiko's 1987 lineup. The Coin-Edge bezel and 35mm case give it a distinctive presence on the wrist. [seikata-wm-354167cca5a0]

Also known as: Bellmatic

Specifications

Movement

Automatic

Case Material

Hardlex-Coated Steel

Case Width

35mm

Case Thickness

14.1mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

40m

Dial Color

White

Jewels

18j

Frequency

28,800 bph

Power Reserve

37 hours

Year

1987

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