Seiko Cal. 5646 - 198

This Quartz model from 1969 features a 39mm PVD Black case. It features a White dial protected by a Sapphire crystal and offers 90m of water resistance. [seikata-wm-a43783717785]

Also known as: Sumo, World Timer

Specifications

Movement

Quartz

Case Material

PVD Black

Case Width

39mm

Case Thickness

11.1mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

90m

Dial Color

White

Jewels

20j

Frequency

36,000 bph

Power Reserve

60 hours

Year

1969

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