Seiko Cal. 7187 - 431

Seiko 7187-431

The Seiko 7187-431 represents an important milestone in Seiko's 1992 lineup. The Rotating bezel and 45mm case give it a distinctive presence on the wrist. [seikata-wm-1c9830c8b2f5]

Also known as: Helmet

Specifications

Movement
Automatic
Case Material
Titanium
Case Width
45mm
Case Thickness
13.5mm
Lug Width
21mm
Crystal
Sapphire
Bezel
Rotating
Water Resistance
40m
Dial Color
Burgundy
Jewels
35j
Frequency
36,000 bph
Power Reserve
69 hours
Year
1992

Related Models

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