Seiko Cal. 5687 - 775

The 5687-775 is a sought-after Solar piece from Seiko's golden era. Powered by the 5687 caliber with 28j jewels beating at 36,000 bph, it delivers a 40 hours power reserve. [seikata-wm-423533e5426f]

Also known as: Silverwave, Crown

Specifications

Movement

Solar

Case Material

Gold-Plated

Case Width

45mm

Case Thickness

10.4mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

110m

Dial Color

Navy

Jewels

28j

Frequency

36,000 bph

Power Reserve

40 hours

Year

1977

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