Seiko Cal. 3861 - 593

The Seiko 3861-593 represents an important milestone in Seiko's 1977 lineup. It features a White dial protected by a Hardlex crystal and offers 90m of water resistance. [seikata-wm-b74b5b9aab5f]

Also known as: Helmet

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

46mm

Case Thickness

14.4mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

90m

Dial Color

White

Jewels

20j

Frequency

36,000 bph

Power Reserve

52 hours

Year

1977

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