Seiko Cal. 7186 - 163

This Quartz model from 1972 features a 45mm PVD Black case. Powered by the 7186 caliber with 20j jewels beating at 28,800 bph, it delivers a 51 hours power reserve. [seikata-wm-a1d162104698]

Also known as: Tuna, World Timer

Specifications

Movement

Quartz

Case Material

PVD Black

Case Width

45mm

Case Thickness

11.1mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

40m

Dial Color

Black

Jewels

20j

Frequency

28,800 bph

Power Reserve

51 hours

Year

1972

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