Seiko Cal. 7163 - 251

The Seiko 7163-251 represents an important milestone in Seiko's 1990 lineup. Powered by the 7163 caliber with 32j jewels beating at 28,800 bph, it delivers a 69 hours power reserve. [seikata-wm-5bd132c94d0d]

Also known as: Sea Horse, Baby Tuna

Specifications

Movement

Quartz

Case Material

Hardlex-Coated Steel

Case Width

39mm

Case Thickness

11.4mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

160m

Dial Color

Black

Jewels

32j

Frequency

28,800 bph

Power Reserve

69 hours

Year

1990

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