Seiko Cal. 6187 - 381

Released in 1984, the Cal. 6187 with design code 381 was part of Seiko's domestic market collection. It features a Navy dial protected by a Hardlex crystal and offers 70m of water resistance. [seikata-wm-becfa093bf4c]

Also known as: Helmet

Specifications

Movement

Automatic

Case Material

Titanium

Case Width

45mm

Case Thickness

8.3mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

70m

Dial Color

Navy

Jewels

29j

Frequency

36,000 bph

Power Reserve

45 hours

Year

1984

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