Seiko Cal. 5646 - 633

The 5646-633 is a sought-after Automatic piece from Seiko's golden era. It features a Blue Sunburst dial protected by a Sapphire crystal and offers 80m of water resistance. [seikata-wm-8fa01d1db912]

Also known as: UFO

Specifications

Movement

Automatic

Case Material

Titanium

Case Width

39mm

Case Thickness

10.4mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

80m

Dial Color

Blue Sunburst

Jewels

23j

Frequency

28,800 bph

Power Reserve

49 hours

Year

1988

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