Seiko Cal. 4436 - 740

This Quartz model from 1991 features a 40mm Two-Tone case. With its 20mm lug width and 12.3mm profile, it sits comfortably on most wrists. [seikata-wm-25c1cacd218f]

Also known as: Sportsmatic, Emperor

Specifications

Movement

Quartz

Case Material

Two-Tone

Case Width

40mm

Case Thickness

12.3mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

90m

Dial Color

Navy

Jewels

18j

Frequency

36,000 bph

Power Reserve

65 hours

Year

1991

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