Seiko Cal. 5688 - 472

The Seiko 5688-472 represents an important milestone in Seiko's 1977 lineup. Powered by the 5688 caliber with 18j jewels beating at 21,600 bph, it delivers a 43 hours power reserve. [seikata-wm-14be75bab52d]

Also known as: Monster, Sumo

Specifications

Movement

Solar

Case Material

PVD Black

Case Width

43mm

Case Thickness

11.3mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

160m

Dial Color

Champagne

Jewels

18j

Frequency

21,600 bph

Power Reserve

43 hours

Year

1977

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