Seiko Cal. 7186 - 538

Seiko 7186-538

The 7186-538 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 7186 caliber with 34j jewels beating at 28,800 bph, it delivers a 71 hours power reserve. [seikata-wm-6bf3fb4d32bc]

Also known as: Arnie

Specifications

Movement
Spring Drive
Case Material
Hardlex-Coated Steel
Case Width
42mm
Case Thickness
10.2mm
Lug Width
18mm
Crystal
Hardlex
Bezel
Inner Rotating
Water Resistance
140m
Dial Color
Green
Jewels
34j
Frequency
28,800 bph
Power Reserve
71 hours
Year
1988

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