Seiko Cal. 7170 - 539

The 7170-539 is a sought-after Spring Drive piece from Seiko's golden era. It features a Green dial protected by a Hardlex crystal and offers 100m of water resistance. [seikata-wm-15d29bbb247b]

Also known as: World Timer

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

35mm

Case Thickness

8.8mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

100m

Dial Color

Green

Jewels

24j

Frequency

21,600 bph

Power Reserve

36 hours

Year

1971

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