Seiko Cal. 4466 - 581

This Spring Drive model from 1998 features a 46mm Two-Tone case. The Bidirectional bezel and 46mm case give it a distinctive presence on the wrist. [seikata-wm-60ab4b73b1de]

Also known as: Sumo, Tuna

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

46mm

Case Thickness

15.4mm

Lug Width

19mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

70m

Dial Color

Silver

Jewels

21j

Frequency

28,800 bph

Power Reserve

51 hours

Year

1998

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