Seiko Cal. 6633 - 539

Released in 1993, the Cal. 6633 with design code 539 was part of Seiko's domestic market collection. It features a Black dial protected by a Acrylic crystal and offers 90m of water resistance. [seikata-wm-762e415eeb91]

Also known as: UFO, Golden Tuna

Specifications

Movement

Solar

Case Material

Titanium

Case Width

42mm

Case Thickness

11.5mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

90m

Dial Color

Black

Jewels

21j

Frequency

28,800 bph

Power Reserve

53 hours

Year

1993

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