Seiko Cal. 0712 - 766

This Spring Drive model from 1999 features a 42mm Hardlex-Coated Steel case. It features a Blue Sunburst dial protected by a Mineral crystal and offers 40m of water resistance. [seikata-wm-17d61fc2d8fa]

Also known as: Sumo, Sportsmatic

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

42mm

Case Thickness

11.0mm

Lug Width

21mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

40m

Dial Color

Blue Sunburst

Jewels

35j

Frequency

21,600 bph

Power Reserve

72 hours

Year

1999

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