Seiko Cal. 4567 - 727

This Solar model from 1972 features a 39mm PVD Black case. Powered by the 4567 caliber with 28j jewels beating at 21,600 bph, it delivers a 72 hours power reserve. [seikata-wm-4bec6fe8721d]

Also known as: World Timer, Baby Tuna

Specifications

Movement

Solar

Case Material

PVD Black

Case Width

39mm

Case Thickness

9.4mm

Lug Width

19mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

110m

Dial Color

White

Jewels

28j

Frequency

21,600 bph

Power Reserve

72 hours

Year

1972

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