Seiko Cal. 7163 - 680

This Spring Drive model from 1989 features a 45mm Stainless Steel case. It features a Blue Sunburst dial protected by a Mineral crystal and offers 40m of water resistance. [seikata-wm-cf31a8b2ffd1]

Also known as: World Timer, Baby Tuna

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

45mm

Case Thickness

13.6mm

Lug Width

19mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

40m

Dial Color

Blue Sunburst

Jewels

34j

Frequency

36,000 bph

Power Reserve

67 hours

Year

1989

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