Seiko Cal. 7087 - 638

Seiko 7087-638

The 7087-638 is a sought-after Solar piece from Seiko's golden era. Powered by the 7087 caliber with 34j jewels beating at 28,800 bph, it delivers a 65 hours power reserve. [seikata-wm-a42587fd8a9c]

Also known as: Monster, Helmet

Specifications

Movement
Solar
Case Material
PVD Black
Case Width
45mm
Case Thickness
9.9mm
Lug Width
22mm
Crystal
Hardlex
Bezel
Bidirectional
Water Resistance
100m
Dial Color
White
Jewels
34j
Frequency
28,800 bph
Power Reserve
65 hours
Year
1988

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