Seiko Cal. 6187 - 621

This Spring Drive model from 1994 features a 45mm Titanium case. With its 18mm lug width and 8.3mm profile, it sits comfortably on most wrists. [seikata-wm-e9c9d51a5df5]

Also known as: Helmet, Crown

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

45mm

Case Thickness

8.3mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

70m

Dial Color

Silver

Jewels

21j

Frequency

36,000 bph

Power Reserve

53 hours

Year

1994

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