Seiko Cal. 7171 - 377

The 7171-377 is a sought-after Spring Drive piece from Seiko's golden era. It features a Green dial protected by a Hardlex crystal and offers 120m of water resistance. [seikata-wm-34348990c073]

Also known as: Navigator

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

34mm

Case Thickness

8.0mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

120m

Dial Color

Green

Jewels

21j

Frequency

28,800 bph

Power Reserve

64 hours

Year

1977

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