Seiko Cal. 5221 - 487

The 5221-487 is a sought-after Spring Drive piece from Seiko's golden era. It features a Navy dial protected by a Hardlex crystal and offers 90m of water resistance. [seikata-wm-58eea628ccae]

Also known as: Sumo, Pogue

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

41mm

Case Thickness

14.2mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

90m

Dial Color

Navy

Jewels

21j

Frequency

36,000 bph

Power Reserve

71 hours

Year

1979

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