Seiko Cal. 5691 - 363

The 5691-363 is a sought-after Solar piece from Seiko's golden era. Powered by the 5691 caliber with 28j jewels beating at 36,000 bph, it delivers a 44 hours power reserve. [seikata-wm-aac439ce76c3]

Also known as: Monster, Flighty

Specifications

Movement

Solar

Case Material

Stainless Steel

Case Width

43mm

Case Thickness

10.9mm

Lug Width

18mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

70m

Dial Color

Green

Jewels

28j

Frequency

36,000 bph

Power Reserve

44 hours

Year

1967

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