Seiko Cal. 4427 - 129

The 4427-129 is a sought-after Spring Drive piece from Seiko's golden era. It features a Blue Sunburst dial protected by a Sapphire crystal and offers 60m of water resistance. [seikata-wm-38a23ee4f726]

Also known as: Tuna, Pogue

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

40mm

Case Thickness

12.6mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

60m

Dial Color

Blue Sunburst

Jewels

17j

Frequency

28,800 bph

Power Reserve

44 hours

Year

1990

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