Seiko Cal. 5687 - 275

The Seiko 5687-275 represents an important milestone in Seiko's 1985 lineup. With its 21mm lug width and 10.7mm profile, it sits comfortably on most wrists. [seikata-wm-3c9d5a68558a]

Also known as: Sumo

Specifications

Movement

Quartz

Case Material

Hardlex-Coated Steel

Case Width

37mm

Case Thickness

10.7mm

Lug Width

21mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

190m

Dial Color

Silver

Jewels

30j

Frequency

36,000 bph

Power Reserve

47 hours

Year

1985

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