Seiko Cal. 6187 - 703

The Seiko 6187-703 represents an important milestone in Seiko's 1968 lineup. With its 21mm lug width and 13.4mm profile, it sits comfortably on most wrists. [seikata-wm-e46b04bc15e2]

Also known as: Sumo, World Timer

Specifications

Movement

Solar

Case Material

Two-Tone

Case Width

41mm

Case Thickness

13.4mm

Lug Width

21mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

60m

Dial Color

Navy

Jewels

26j

Frequency

21,600 bph

Power Reserve

42 hours

Year

1968

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