Seiko Cal. 7163 - 623

The 7163-623 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 7163 caliber with 17j jewels beating at 36,000 bph, it delivers a 37 hours power reserve. [seikata-wm-1088b38fc846]

Also known as: Tuna

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

41mm

Case Thickness

13.2mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

140m

Dial Color

Silver

Jewels

17j

Frequency

36,000 bph

Power Reserve

37 hours

Year

1998

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