Seiko Cal. 3812 - 954

The Seiko 3812-954 represents an important milestone in Seiko's 1971 lineup. Powered by the 3812 caliber with 27j jewels beating at 28,800 bph, it delivers a 64 hours power reserve. [seikata-wm-ce71fb7f569d]

Also known as: Monster, Crown

Specifications

Movement

Hand-Winding

Case Material

Stainless Steel

Case Width

39mm

Case Thickness

10.5mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

90m

Dial Color

White

Jewels

27j

Frequency

28,800 bph

Power Reserve

64 hours

Year

1971

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