Seiko Cal. 5635 - 766

The 5635-766 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 5635 caliber with 19j jewels beating at 28,800 bph, it delivers a 56 hours power reserve. [seikata-wm-8d39fbb92732]

Also known as: Bellmatic, Emperor

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

35mm

Case Thickness

9.3mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

80m

Dial Color

Silver

Jewels

19j

Frequency

28,800 bph

Power Reserve

56 hours

Year

1968

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