Seiko Cal. 6187 - 310

The Seiko 6187-310 represents an important milestone in Seiko's 1973 lineup. It features a Blue Sunburst dial protected by a Mineral crystal and offers 140m of water resistance. [seikata-wm-8c7dc1b27812]

Also known as: UFO, Flighty

Specifications

Movement

Hand-Winding

Case Material

Stainless Steel

Case Width

43mm

Case Thickness

13.4mm

Lug Width

19mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

140m

Dial Color

Blue Sunburst

Jewels

36j

Frequency

21,600 bph

Power Reserve

65 hours

Year

1973

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