Seiko Cal. 7187 - 815

Seiko 7187-815

The Seiko 7187-815 represents an important milestone in Seiko's 1966 lineup. Powered by the 7187 caliber with 19j jewels beating at 28,800 bph, it delivers a 46 hours power reserve. [seikata-wm-79dc133b4d67]

Also known as: Baby Tuna, Arnie

Specifications

Movement
Quartz
Case Material
Titanium
Case Width
40mm
Case Thickness
10.4mm
Lug Width
20mm
Crystal
Mineral
Bezel
Bidirectional
Water Resistance
100m
Dial Color
Navy
Jewels
19j
Frequency
28,800 bph
Power Reserve
46 hours
Year
1966

Related Models

seikata-wm-79dc133b4d67