Seiko Cal. 4440 - 915

This Solar model from 1965 features a 40mm Hardlex-Coated Steel case. Powered by the 4440 caliber with 36j jewels beating at 28,800 bph, it delivers a 38 hours power reserve. [seikata-wm-381232c81cba]

Also known as: Goldfeather, Flighty

Specifications

Movement

Solar

Case Material

Hardlex-Coated Steel

Case Width

40mm

Case Thickness

13.2mm

Lug Width

22mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

150m

Dial Color

Cream

Jewels

36j

Frequency

28,800 bph

Power Reserve

38 hours

Year

1965

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