Seiko Cal. 7163 - 451

The 7163-451 is a sought-after Hand-Winding piece from Seiko's golden era. It features a Green dial protected by a Mineral crystal and offers 90m of water resistance. [seikata-wm-a70000608e9b]

Also known as: World Timer

Specifications

Movement

Hand-Winding

Case Material

Stainless Steel

Case Width

34mm

Case Thickness

10.5mm

Lug Width

22mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

90m

Dial Color

Green

Jewels

34j

Frequency

21,600 bph

Power Reserve

55 hours

Year

1993

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