Seiko Cal. 6616 - 817

This Quartz model from 1966 features a 40mm Two-Tone case. With its 19mm lug width and 11.2mm profile, it sits comfortably on most wrists. [seikata-wm-3f4c69ba8bea]

Also known as: Sumo

Specifications

Movement

Quartz

Case Material

Two-Tone

Case Width

40mm

Case Thickness

11.2mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

90m

Dial Color

White

Jewels

24j

Frequency

36,000 bph

Power Reserve

57 hours

Year

1966

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