Seiko Cal. 5668 - 440

This Solar model from 1975 features a 45mm PVD Black case. Powered by the 5668 caliber with 27j jewels beating at 36,000 bph, it delivers a 49 hours power reserve. [seikata-wm-28e44690b519]

Also known as: Helmet

Specifications

Movement

Solar

Case Material

PVD Black

Case Width

45mm

Case Thickness

11.2mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

130m

Dial Color

Cream

Jewels

27j

Frequency

36,000 bph

Power Reserve

49 hours

Year

1975

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