Seiko Cal. 0740 - 688

This Quartz model from 1976 features a 40mm Hardlex-Coated Steel case. It features a Blue Sunburst dial protected by a Mineral crystal and offers 150m of water resistance. [seikata-wm-215c900f9468]

Also known as: Sportsmatic

Specifications

Movement

Quartz

Case Material

Hardlex-Coated Steel

Case Width

40mm

Case Thickness

13.5mm

Lug Width

19mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

150m

Dial Color

Blue Sunburst

Jewels

36j

Frequency

28,800 bph

Power Reserve

72 hours

Year

1976

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