Seiko Cal. 3812 - 558

The 3812-558 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 3812 caliber with 36j jewels beating at 36,000 bph, it delivers a 39 hours power reserve. [seikata-wm-961d17b6af6a]

Also known as: Bullhead, Goldfeather

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

42mm

Case Thickness

14.0mm

Lug Width

18mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

150m

Dial Color

Silver

Jewels

36j

Frequency

36,000 bph

Power Reserve

39 hours

Year

1965

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