Seiko Cal. 5691 - 363

Seiko 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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