Seiko Cal. 4425 - 636

The 4425-636 is a sought-after Hand-Winding piece from Seiko's golden era. It features a Silver dial protected by a Acrylic crystal and offers 100m of water resistance. [seikata-wm-765f604602e4]

Also known as: Arnie

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

42mm

Case Thickness

13.7mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

100m

Dial Color

Silver

Jewels

33j

Frequency

28,800 bph

Power Reserve

44 hours

Year

1967

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