Seiko Cal. 6363 - 523

The Seiko 6363-523 represents an important milestone in Seiko's 1969 lineup. Powered by the 6363 caliber with 28j jewels beating at 28,800 bph, it delivers a 70 hours power reserve. [seikata-wm-09f6c7172d7d]

Also known as: World Timer

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

44mm

Case Thickness

10.9mm

Lug Width

19mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

110m

Dial Color

Silver

Jewels

28j

Frequency

28,800 bph

Power Reserve

70 hours

Year

1969

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