Seiko Cal. 4478 - 239

This Hand-Winding model from 1989 features a 35mm Hardlex-Coated Steel case. It features a Cream dial protected by a Sapphire crystal and offers 70m of water resistance. [seikata-wm-85e7d875b05e]

Also known as: Sportsmatic

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

35mm

Case Thickness

10.4mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

70m

Dial Color

Cream

Jewels

23j

Frequency

36,000 bph

Power Reserve

63 hours

Year

1989

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