Seiko Cal. 7140 - 554

This Quartz model from 1966 features a 46mm PVD Black case. It features a Silver dial protected by a Acrylic crystal and offers 140m of water resistance. [seikata-wm-805f2aee232f]

Also known as: Tuna, Silverwave

Specifications

Movement

Quartz

Case Material

PVD Black

Case Width

46mm

Case Thickness

11.9mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

140m

Dial Color

Silver

Jewels

17j

Frequency

36,000 bph

Power Reserve

40 hours

Year

1966

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