Seiko Cal. 7187 - 931

Seiko 7187-931

The 7187-931 is a sought-after Automatic piece from Seiko's golden era. With its 22mm lug width and 9.8mm profile, it sits comfortably on most wrists. [seikata-wm-4d47315ff597]

Also known as: Navigator, Crown

Specifications

Movement
Automatic
Case Material
Gold-Plated
Case Width
46mm
Case Thickness
9.8mm
Lug Width
22mm
Crystal
Sapphire
Bezel
Fixed
Water Resistance
40m
Dial Color
Silver
Jewels
17j
Frequency
21,600 bph
Power Reserve
45 hours
Year
1992

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seikata-wm-4d47315ff597