Seiko Cal. 4591 - 663

The 4591-663 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 70m of water resistance. [seikata-wm-eb6a09520fec]

Also known as: Goldfeather, Bellmatic

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

34mm

Case Thickness

15.1mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

70m

Dial Color

Blue Sunburst

Jewels

31j

Frequency

36,000 bph

Power Reserve

37 hours

Year

1987

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