Seiko Cal. 5653 - 363

The 5653-363 is a sought-after Hand-Winding piece from Seiko's golden era. Powered by the 5653 caliber with 21j jewels beating at 36,000 bph, it delivers a 46 hours power reserve. [seikata-wm-541b8ed8d7f1]

Also known as: Helmet, Bellmatic

Specifications

Movement

Hand-Winding

Case Material

Stainless Steel

Case Width

34mm

Case Thickness

11.0mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

170m

Dial Color

Black

Jewels

21j

Frequency

36,000 bph

Power Reserve

46 hours

Year

1969

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