Seiko Cal. 7042 - 640

This Spring Drive model from 1971 features a 46mm Titanium case. It features a Silver dial protected by a Mineral crystal and offers 50m of water resistance. [seikata-wm-ee80b287ec54]

Also known as: Tuna, Sportsmatic

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

46mm

Case Thickness

8.5mm

Lug Width

19mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

50m

Dial Color

Silver

Jewels

25j

Frequency

28,800 bph

Power Reserve

48 hours

Year

1971

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