Seiko Cal. 3812 - 337

The 3812-337 is a sought-after Kinetic piece from Seiko's golden era. Powered by the 3812 caliber with 22j jewels beating at 28,800 bph, it delivers a 54 hours power reserve. [seikata-wm-38c9dbc9d9cd]

Also known as: Sportsmatic, Arnie

Specifications

Movement

Kinetic

Case Material

Titanium

Case Width

46mm

Case Thickness

13.7mm

Lug Width

20mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

110m

Dial Color

Green

Jewels

22j

Frequency

28,800 bph

Power Reserve

54 hours

Year

1975

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