Seiko Cal. 6178 - 742

This Quartz model from 1968 features a 35mm Two-Tone case. It features a Green dial protected by a Acrylic crystal and offers 120m of water resistance. [seikata-wm-f0f68499d0d0]

Also known as: Sportsmatic

Specifications

Movement

Quartz

Case Material

Two-Tone

Case Width

35mm

Case Thickness

13.0mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

120m

Dial Color

Green

Jewels

20j

Frequency

28,800 bph

Power Reserve

57 hours

Year

1968

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