Seiko Cal. 4439 - 668

This Hand-Winding model from 1996 features a 40mm Hardlex-Coated Steel case. It features a Green dial protected by a Sapphire crystal and offers 100m of water resistance. [seikata-wm-4959b9c2cda2]

Also known as: Shogun, Tuna

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

40mm

Case Thickness

12.2mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

100m

Dial Color

Green

Jewels

20j

Frequency

36,000 bph

Power Reserve

63 hours

Year

1996

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