Seiko Cal. 3812 - 522

This Automatic model from 1965 features a 39mm Stainless Steel case. Powered by the 3812 caliber with 25j jewels beating at 28,800 bph, it delivers a 48 hours power reserve. [seikata-wm-f132ac295986]

Also known as: Monster, Golden Tuna

Specifications

Movement

Automatic

Case Material

Stainless Steel

Case Width

39mm

Case Thickness

10.0mm

Lug Width

20mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

130m

Dial Color

Silver

Jewels

25j

Frequency

28,800 bph

Power Reserve

48 hours

Year

1965

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