Seiko Cal. 7163 - 975

The Seiko 7163-975 represents an important milestone in Seiko's 1990 lineup. The Bidirectional bezel and 40mm case give it a distinctive presence on the wrist. [seikata-wm-b9940b6e4145]

Also known as: Baby Tuna

Specifications

Movement

Automatic

Case Material

Hardlex-Coated Steel

Case Width

40mm

Case Thickness

9.7mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

190m

Dial Color

Navy

Jewels

19j

Frequency

28,800 bph

Power Reserve

70 hours

Year

1990

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