Seiko Cal. 5263 - 633

This Quartz model from 1966 features a 44mm PVD Black case. With its 21mm lug width and 9.2mm profile, it sits comfortably on most wrists. [seikata-wm-709c18d623c2]

Also known as: World Timer, Baby Tuna

Specifications

Movement

Quartz

Case Material

PVD Black

Case Width

44mm

Case Thickness

9.2mm

Lug Width

21mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

110m

Dial Color

Navy

Jewels

32j

Frequency

36,000 bph

Power Reserve

57 hours

Year

1966

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