Seiko Cal. 4581 - 750

This Solar model from 1978 features a 34mm PVD Black case. It features a Black dial protected by a Mineral crystal and offers 120m of water resistance. [seikata-wm-42bbbe0b1f78]

Also known as: World Timer

Specifications

Movement

Solar

Case Material

PVD Black

Case Width

34mm

Case Thickness

12.8mm

Lug Width

18mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

120m

Dial Color

Black

Jewels

29j

Frequency

28,800 bph

Power Reserve

49 hours

Year

1978

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