Seiko Cal. 3812 - 885

The Seiko 3812-885 represents an important milestone in Seiko's 1974 lineup. Powered by the 3812 caliber with 31j jewels beating at 21,600 bph, it delivers a 66 hours power reserve. [seikata-wm-d475559b8279]

Also known as: Silverwave, Sportsmatic

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

42mm

Case Thickness

15.8mm

Lug Width

18mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

190m

Dial Color

Black

Jewels

31j

Frequency

21,600 bph

Power Reserve

66 hours

Year

1974

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