Seiko Cal. 4550 - 502

The 4550-502 is a sought-after Spring Drive piece from Seiko's golden era. It features a Green dial protected by a Sapphire crystal and offers 70m of water resistance. [seikata-wm-fb688fd0365c]

Also known as: Rally, Golden Tuna

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

41mm

Case Thickness

10.0mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

70m

Dial Color

Green

Jewels

19j

Frequency

28,800 bph

Power Reserve

61 hours

Year

1972

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