Seiko Cal. 4474 - 693

This Solar model from 1973 features a 39mm PVD Black case. Powered by the 4474 caliber with 25j jewels beating at 21,600 bph, it delivers a 55 hours power reserve. [seikata-wm-aaa4d7c5d695]

Also known as: Helmet

Specifications

Movement

Solar

Case Material

PVD Black

Case Width

39mm

Case Thickness

9.3mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

110m

Dial Color

Navy

Jewels

25j

Frequency

21,600 bph

Power Reserve

55 hours

Year

1973

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