Seiko Cal. 3812 - 364

The 3812-364 is a sought-after Automatic piece from Seiko's golden era. Powered by the 3812 caliber with 23j jewels beating at 28,800 bph, it delivers a 36 hours power reserve. [seikata-wm-caa9c4af9aba]

Also known as: Sumo, Golden Tuna

Specifications

Movement

Automatic

Case Material

Titanium

Case Width

37mm

Case Thickness

13.5mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

110m

Dial Color

Cream

Jewels

23j

Frequency

28,800 bph

Power Reserve

36 hours

Year

1984

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