Seiko Cal. 4447 - 425

The 4447-425 is a sought-after Quartz piece from Seiko's golden era. It features a Navy dial protected by a Hardlex crystal and offers 60m of water resistance. [seikata-wm-080610a50b80]

Also known as: Tuna

Specifications

Movement

Quartz

Case Material

PVD Black

Case Width

35mm

Case Thickness

9.7mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

60m

Dial Color

Navy

Jewels

33j

Frequency

28,800 bph

Power Reserve

36 hours

Year

1980

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