Seiko Cal. 5666 - 811

The Seiko 5666-811 represents an important milestone in Seiko's 1998 lineup. The Fixed bezel and 35mm case give it a distinctive presence on the wrist. [seikata-wm-d3a7c2834847]

Also known as: Sumo, Tuna

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

35mm

Case Thickness

13.6mm

Lug Width

19mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

190m

Dial Color

Black

Jewels

25j

Frequency

28,800 bph

Power Reserve

42 hours

Year

1998

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