Seiko Cal. 5634 - 742

The Seiko 5634-742 represents an important milestone in Seiko's 1990 lineup. Powered by the 5634 caliber with 21j jewels beating at 21,600 bph, it delivers a 47 hours power reserve. [seikata-wm-1ae535166fca]

Also known as: Panda, Arnie

Specifications

Movement

Solar

Case Material

Gold-Plated

Case Width

41mm

Case Thickness

11.2mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

90m

Dial Color

Black

Jewels

21j

Frequency

21,600 bph

Power Reserve

47 hours

Year

1990

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