Seiko Cal. 4591 - 402

The 4591-402 is a sought-after Hand-Winding piece from Seiko's golden era. It features a Blue Sunburst dial protected by a Hardlex crystal and offers 30m of water resistance. [seikata-wm-74bdd036e1e9]

Also known as: UFO, Rally

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

36mm

Case Thickness

8.1mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

30m

Dial Color

Blue Sunburst

Jewels

19j

Frequency

28,800 bph

Power Reserve

40 hours

Year

1976

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