Seiko Cal. 3815 - 793

This Spring Drive model from 1972 features a 42mm PVD Black case. Powered by the 3815 caliber with 27j jewels beating at 21,600 bph, it delivers a 46 hours power reserve. [seikata-wm-7ca029a6f44a]

Also known as: Golden Tuna

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

42mm

Case Thickness

11.8mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

160m

Dial Color

Green

Jewels

27j

Frequency

21,600 bph

Power Reserve

46 hours

Year

1972

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