Seiko Cal. 7187 - 342

Seiko 7187-342

The 7187-342 is a sought-after Quartz piece from Seiko's golden era. Powered by the 7187 caliber with 24j jewels beating at 28,800 bph, it delivers a 65 hours power reserve. [seikata-wm-5f5badae8dc3]

Also known as: Sumo, Arnie

Specifications

Movement
Quartz
Case Material
Hardlex-Coated Steel
Case Width
45mm
Case Thickness
12.0mm
Lug Width
19mm
Crystal
Acrylic
Bezel
Inner Rotating
Water Resistance
170m
Dial Color
Green
Jewels
24j
Frequency
28,800 bph
Power Reserve
65 hours
Year
1997

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