Seiko Cal. 4427 - 504

The Seiko 4427-504 represents an important milestone in Seiko's 1965 lineup. It features a White dial protected by a Acrylic crystal and offers 180m of water resistance. [seikata-wm-9078d8594309]

Also known as: Monster

Specifications

Movement

Hand-Winding

Case Material

Stainless Steel

Case Width

36mm

Case Thickness

8.4mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

180m

Dial Color

White

Jewels

22j

Frequency

21,600 bph

Power Reserve

40 hours

Year

1965

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