Seiko Cal. 4539 - 383

This Spring Drive model from 1997 features a 41mm Hardlex-Coated Steel case. It features a Black dial protected by a Acrylic crystal and offers 50m of water resistance. [seikata-wm-7d2036ae648e]

Also known as: World Timer

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

41mm

Case Thickness

12.7mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

50m

Dial Color

Black

Jewels

35j

Frequency

28,800 bph

Power Reserve

42 hours

Year

1997

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