Seiko Cal. 3811 - 991

The Seiko 3811-991 represents an important milestone in Seiko's 1995 lineup. It features a Blue Sunburst dial protected by a Hardlex crystal and offers 140m of water resistance. [seikata-wm-fa484d8abc87]

Also known as: Golden Tuna

Specifications

Movement

Automatic

Case Material

Two-Tone

Case Width

43mm

Case Thickness

13.2mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

140m

Dial Color

Blue Sunburst

Jewels

36j

Frequency

36,000 bph

Power Reserve

42 hours

Year

1995

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