Seiko Cal. 7163 - 939

The Seiko 7163-939 represents an important milestone in Seiko's 1977 lineup. It features a Silver dial protected by a Sapphire crystal and offers 120m of water resistance. [seikata-wm-12e6a085735f]

Also known as: Tuna, Golden Tuna

Specifications

Movement

Kinetic

Case Material

Two-Tone

Case Width

38mm

Case Thickness

10.2mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

120m

Dial Color

Silver

Jewels

36j

Frequency

36,000 bph

Power Reserve

63 hours

Year

1977

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