Seiko Cal. 4427 - 317

The 4427-317 is a sought-after Quartz piece from Seiko's golden era. It features a Navy dial protected by a Hardlex crystal and offers 90m of water resistance. [seikata-wm-68ff453ef471]

Also known as: Monster, Rally

Specifications

Movement

Quartz

Case Material

PVD Black

Case Width

34mm

Case Thickness

8.4mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

90m

Dial Color

Navy

Jewels

18j

Frequency

21,600 bph

Power Reserve

53 hours

Year

1972

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