Seiko Cal. 3860 - 658

The 3860-658 is a sought-after Hand-Winding piece from Seiko's golden era. It features a Navy dial protected by a Hardlex crystal and offers 80m of water resistance. [seikata-wm-740f9b3b51f6]

Also known as: World Timer

Specifications

Movement

Hand-Winding

Case Material

Stainless Steel

Case Width

34mm

Case Thickness

15.2mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

80m

Dial Color

Navy

Jewels

32j

Frequency

36,000 bph

Power Reserve

48 hours

Year

1967

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