Seiko Cal. 3861 - 412

The Seiko 3861-412 represents an important milestone in Seiko's 1991 lineup. It features a Black dial protected by a Mineral crystal and offers 90m of water resistance. [seikata-wm-16cecd0c1406]

Also known as: Helmet

Specifications

Movement

Quartz

Case Material

Hardlex-Coated Steel

Case Width

34mm

Case Thickness

12.6mm

Lug Width

18mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

90m

Dial Color

Black

Jewels

17j

Frequency

21,600 bph

Power Reserve

72 hours

Year

1991

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