Seiko Cal. 7163 - 988

The 7163-988 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 7163 caliber with 35j jewels beating at 21,600 bph, it delivers a 40 hours power reserve. [seikata-wm-dbd124f4a7cc]

Also known as: Turtle, Tuna

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

36mm

Case Thickness

14.2mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

110m

Dial Color

White

Jewels

35j

Frequency

21,600 bph

Power Reserve

40 hours

Year

1969

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