Seiko Cal. 3872 - 502

This Hand-Winding model from 1979 features a 35mm Stainless Steel case. It features a Navy dial protected by a Sapphire crystal and offers 120m of water resistance. [seikata-wm-5dc4cab958c9]

Also known as: World Timer, Sea Horse

Specifications

Movement

Hand-Winding

Case Material

Stainless Steel

Case Width

35mm

Case Thickness

10.7mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

120m

Dial Color

Navy

Jewels

35j

Frequency

28,800 bph

Power Reserve

55 hours

Year

1979

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