Seiko Cal. 4449 - 540

This Spring Drive model from 1993 features a 36mm PVD Black case. It features a Green dial protected by a Hardlex crystal and offers 140m of water resistance. [seikata-wm-14954da58e96]

Also known as: World Timer

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

36mm

Case Thickness

13.3mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

140m

Dial Color

Green

Jewels

17j

Frequency

28,800 bph

Power Reserve

44 hours

Year

1993

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