Seiko Cal. 6633 - 337

The 6633-337 is a sought-after Solar piece from Seiko's golden era. Powered by the 6633 caliber with 23j jewels beating at 21,600 bph, it delivers a 56 hours power reserve. [seikata-wm-b79c1b4c8c0b]

Also known as: Sumo, Rally

Specifications

Movement

Solar

Case Material

Titanium

Case Width

44mm

Case Thickness

15.4mm

Lug Width

21mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

110m

Dial Color

Silver

Jewels

23j

Frequency

21,600 bph

Power Reserve

56 hours

Year

1994

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