Seiko Cal. 6283 - 578

This Spring Drive model from 1985 features a 39mm Hardlex-Coated Steel case. It features a White dial protected by a Sapphire crystal and offers 90m of water resistance. [seikata-wm-63ecb67dd242]

Also known as: World Timer

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

39mm

Case Thickness

11.8mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

90m

Dial Color

White

Jewels

17j

Frequency

36,000 bph

Power Reserve

36 hours

Year

1985

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