Seiko Cal. 5643 - 165

The 5643-165 is a sought-after Hand-Winding piece from Seiko's golden era. Powered by the 5643 caliber with 20j jewels beating at 36,000 bph, it delivers a 54 hours power reserve. [seikata-wm-a395b5220c43]

Also known as: Emperor

Specifications

Movement

Hand-Winding

Case Material

Stainless Steel

Case Width

40mm

Case Thickness

13.2mm

Lug Width

21mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

30m

Dial Color

Blue Sunburst

Jewels

20j

Frequency

36,000 bph

Power Reserve

54 hours

Year

1977

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