Seiko Cal. 5687 - 739

This Quartz model from 1990 features a 40mm Hardlex-Coated Steel case. With its 22mm lug width and 14.1mm profile, it sits comfortably on most wrists. [seikata-wm-f5d7dc48ad1f]

Also known as: Panda, Baby Tuna

Specifications

Movement

Quartz

Case Material

Hardlex-Coated Steel

Case Width

40mm

Case Thickness

14.1mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

40m

Dial Color

Burgundy

Jewels

20j

Frequency

36,000 bph

Power Reserve

43 hours

Year

1990

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