Seiko Cal. 6634 - 240

The Seiko 6634-240 represents an important milestone in Seiko's 1989 lineup. Powered by the 6634 caliber with 23j jewels beating at 21,600 bph, it delivers a 71 hours power reserve. [seikata-wm-1aa76be24bbc]

Also known as: Panda

Specifications

Movement

Automatic

Case Material

Hardlex-Coated Steel

Case Width

45mm

Case Thickness

15.3mm

Lug Width

21mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

40m

Dial Color

White

Jewels

23j

Frequency

21,600 bph

Power Reserve

71 hours

Year

1989

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