Seiko Cal. 6633 - 459

The 6633-459 is a sought-after Spring Drive piece from Seiko's golden era. It features a Navy dial protected by a Sapphire crystal and offers 160m of water resistance. [seikata-wm-47b2ec500d97]

Also known as: Sumo

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

44mm

Case Thickness

12.9mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

160m

Dial Color

Navy

Jewels

27j

Frequency

36,000 bph

Power Reserve

49 hours

Year

1993

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