Seiko Cal. 7163 - 393

The 7163-393 is a sought-after Automatic piece from Seiko's golden era. Powered by the 7163 caliber with 20j jewels beating at 36,000 bph, it delivers a 52 hours power reserve. [seikata-wm-6d5768fba19e]

Also known as: Sumo, Sea Horse

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

45mm

Case Thickness

10.3mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

170m

Dial Color

Cream

Jewels

20j

Frequency

36,000 bph

Power Reserve

52 hours

Year

1999

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