Seiko Cal. 6645 - 263

This Quartz model from 1969 features a 42mm Hardlex-Coated Steel case. With its 22mm lug width and 8.3mm profile, it sits comfortably on most wrists. [seikata-wm-4b17e6057e33]

Also known as: Sumo, Goldfeather

Specifications

Movement

Quartz

Case Material

Hardlex-Coated Steel

Case Width

42mm

Case Thickness

8.3mm

Lug Width

22mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

90m

Dial Color

Green

Jewels

33j

Frequency

28,800 bph

Power Reserve

48 hours

Year

1969

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