Seiko Cal. 5663 - 498

The 5663-498 is a sought-after Automatic piece from Seiko's golden era. The Fixed bezel and 40mm case give it a distinctive presence on the wrist. [seikata-wm-dec09ecd0241]

Also known as: Bullhead, Bellmatic

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

40mm

Case Thickness

9.0mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

180m

Dial Color

Green

Jewels

28j

Frequency

28,800 bph

Power Reserve

57 hours

Year

1973

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