Seiko Cal. 6187 - 139

The Seiko 6187-139 represents an important milestone in Seiko's 1988 lineup. It features a Navy dial protected by a Mineral crystal and offers 130m of water resistance. [seikata-wm-39d6101aba1c]

Also known as: UFO, Sportsmatic

Specifications

Movement

Quartz

Case Material

Titanium

Case Width

46mm

Case Thickness

9.3mm

Lug Width

18mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

130m

Dial Color

Navy

Jewels

31j

Frequency

21,600 bph

Power Reserve

51 hours

Year

1988

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