Seiko Cal. 3866 - 391

The Seiko 3866-391 represents an important milestone in Seiko's 1995 lineup. It features a Champagne dial protected by a Mineral crystal and offers 140m of water resistance. [seikata-wm-e7f1b480d0e4]

Also known as: Arnie

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

38mm

Case Thickness

8.6mm

Lug Width

22mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

140m

Dial Color

Champagne

Jewels

20j

Frequency

28,800 bph

Power Reserve

38 hours

Year

1995

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