Seiko Cal. 3812 - 590

The Seiko 3812-590 represents an important milestone in Seiko's 1978 lineup. Powered by the 3812 caliber with 26j jewels beating at 28,800 bph, it delivers a 41 hours power reserve. [seikata-wm-ebe8777c8e33]

Also known as: Sportsmatic, Baby Tuna

Specifications

Movement

Solar

Case Material

Two-Tone

Case Width

37mm

Case Thickness

12.8mm

Lug Width

22mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

100m

Dial Color

Champagne

Jewels

26j

Frequency

28,800 bph

Power Reserve

41 hours

Year

1978

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