Seiko Cal. 4497 - 328

This Solar model from 1965 features a 39mm PVD Black case. The Coin-Edge bezel and 39mm case give it a distinctive presence on the wrist. [seikata-wm-7d69a764d24d]

Also known as: Sumo, Helmet

Specifications

Movement

Solar

Case Material

PVD Black

Case Width

39mm

Case Thickness

14.8mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

130m

Dial Color

Navy

Jewels

34j

Frequency

36,000 bph

Power Reserve

51 hours

Year

1965

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