Seiko Cal. 3820 - 137

The Seiko 3820-137 represents an important milestone in Seiko's 1993 lineup. Powered by the 3820 caliber with 31j jewels beating at 21,600 bph, it delivers a 36 hours power reserve. [seikata-wm-329f4061a6a9]

Also known as: Silverwave, Sportsmatic

Specifications

Movement

Automatic

Case Material

Hardlex-Coated Steel

Case Width

38mm

Case Thickness

9.4mm

Lug Width

22mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

60m

Dial Color

Cream

Jewels

31j

Frequency

21,600 bph

Power Reserve

36 hours

Year

1993

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