Seiko Cal. 6646 - 763

This Solar model from 1998 features a 40mm Two-Tone case. With its 19mm lug width and 14.6mm profile, it sits comfortably on most wrists. [seikata-wm-2d0b96230759]

Also known as: Sumo, Goldfeather

Specifications

Movement

Solar

Case Material

Two-Tone

Case Width

40mm

Case Thickness

14.6mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

140m

Dial Color

Navy

Jewels

35j

Frequency

28,800 bph

Power Reserve

37 hours

Year

1998

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