Seiko Cal. 3811 - 725

The Seiko 3811-725 represents an important milestone in Seiko's 1986 lineup. It features a Black dial protected by a Hardlex crystal and offers 80m of water resistance. [seikata-wm-ec1c8db1be66]

Also known as: Samurai, Tuna

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

35mm

Case Thickness

10.5mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

80m

Dial Color

Black

Jewels

25j

Frequency

36,000 bph

Power Reserve

71 hours

Year

1986

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