Seiko Cal. 3859 - 918

The 3859-918 is a sought-after Hand-Winding piece from Seiko's golden era. It features a Silver dial protected by a Sapphire crystal and offers 160m of water resistance. [seikata-wm-37b57c4ff738]

Also known as: Helmet, World Timer

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

34mm

Case Thickness

11.9mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

160m

Dial Color

Silver

Jewels

28j

Frequency

28,800 bph

Power Reserve

56 hours

Year

1991

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