Seiko Cal. 7187 - 688

Seiko 7187-688

The Seiko 7187-688 represents an important milestone in Seiko's 1997 lineup. With its 21mm lug width and 9.9mm profile, it sits comfortably on most wrists. [seikata-wm-e10f9e07fb0a]

Also known as: Tuna, Baby Tuna

Specifications

Movement
Automatic
Case Material
Titanium
Case Width
44mm
Case Thickness
9.9mm
Lug Width
21mm
Crystal
Mineral
Bezel
Rotating
Water Resistance
90m
Dial Color
Silver
Jewels
18j
Frequency
36,000 bph
Power Reserve
68 hours
Year
1997

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