Seiko Cal. 6663 - 231

This Spring Drive model from 1989 features a 44mm Hardlex-Coated Steel case. With its 21mm lug width and 11.2mm profile, it sits comfortably on most wrists. [seikata-wm-c4a986ad05b2]

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

44mm

Case Thickness

11.2mm

Lug Width

21mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

180m

Dial Color

Navy

Jewels

36j

Frequency

21,600 bph

Power Reserve

40 hours

Year

1989

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