Seiko Cal. 3812 - 722

The Seiko 3812-722 represents an important milestone in Seiko's 1971 lineup. Powered by the 3812 caliber with 19j jewels beating at 28,800 bph, it delivers a 36 hours power reserve. [seikata-wm-736e564ca4c7]

Also known as: Turtle, Bellmatic

Specifications

Movement

Hand-Winding

Case Material

Stainless Steel

Case Width

36mm

Case Thickness

14.4mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

200m

Dial Color

Champagne

Jewels

19j

Frequency

28,800 bph

Power Reserve

36 hours

Year

1971

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