Seiko Cal. 5678 - 654

This Solar model from 1972 features a 38mm PVD Black case. Powered by the 5678 caliber with 31j jewels beating at 36,000 bph, it delivers a 63 hours power reserve. [seikata-wm-8d9219fec03c]

Also known as: World Timer

Specifications

Movement

Solar

Case Material

PVD Black

Case Width

38mm

Case Thickness

14.8mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

60m

Dial Color

Black

Jewels

31j

Frequency

36,000 bph

Power Reserve

63 hours

Year

1972

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