Seiko Cal. 3811 - 488

The Seiko 3811-488 represents an important milestone in Seiko's 1988 lineup. It features a Green dial protected by a Mineral crystal and offers 150m of water resistance. [seikata-wm-77720a9a20ce]

Also known as: Bullhead, Helmet

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

35mm

Case Thickness

8.3mm

Lug Width

21mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

150m

Dial Color

Green

Jewels

28j

Frequency

36,000 bph

Power Reserve

54 hours

Year

1988

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