Seiko Cal. 5615 - 812

The 5615-812 is a sought-after Hand-Winding piece from Seiko's golden era. Powered by the 5615 caliber with 18j jewels beating at 36,000 bph, it delivers a 67 hours power reserve. [seikata-wm-ffc32e62223a]

Also known as: Monster, Crown

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

39mm

Case Thickness

11.8mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

110m

Dial Color

Cream

Jewels

18j

Frequency

36,000 bph

Power Reserve

67 hours

Year

1970

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