Seiko Cal. 4443 - 956

This Quartz model from 1977 features a 43mm Two-Tone case. With its 20mm lug width and 15.4mm profile, it sits comfortably on most wrists. [seikata-wm-49c8b8e8a3af]

Also known as: Sumo

Specifications

Movement

Quartz

Case Material

Two-Tone

Case Width

43mm

Case Thickness

15.4mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

80m

Dial Color

White

Jewels

28j

Frequency

36,000 bph

Power Reserve

67 hours

Year

1977

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