Seiko Cal. 6657 - 163

The 6657-163 is a sought-after Hand-Winding piece from Seiko's golden era. Powered by the 6657 caliber with 28j jewels beating at 36,000 bph, it delivers a 64 hours power reserve. [seikata-wm-7a2b832fda72]

Also known as: Shogun, Emperor

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

34mm

Case Thickness

15.4mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

130m

Dial Color

Silver

Jewels

28j

Frequency

36,000 bph

Power Reserve

64 hours

Year

1978

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