Seiko Cal. 7128 - 687

The 7128-687 is a sought-after Solar piece from Seiko's golden era. Powered by the 7128 caliber with 31j jewels beating at 21,600 bph, it delivers a 70 hours power reserve. [seikata-wm-b869a64aa600]

Also known as: Shogun

Specifications

Movement

Solar

Case Material

PVD Black

Case Width

36mm

Case Thickness

10.8mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

180m

Dial Color

Silver

Jewels

31j

Frequency

21,600 bph

Power Reserve

70 hours

Year

1985

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