Seiko Cal. 7047 - 252

This Spring Drive model from 1966 features a 37mm PVD Black case. Powered by the 7047 caliber with 36j jewels beating at 28,800 bph, it delivers a 52 hours power reserve. [seikata-wm-2b642097743e]

Also known as: Helmet

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

37mm

Case Thickness

9.5mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

160m

Dial Color

Champagne

Jewels

36j

Frequency

28,800 bph

Power Reserve

52 hours

Year

1966

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