Seiko Cal. 6363 - 306

The 6363-306 is a sought-after Automatic piece from Seiko's golden era. Powered by the 6363 caliber with 24j jewels beating at 21,600 bph, it delivers a 38 hours power reserve. [seikata-wm-c874a5124a9b]

Also known as: Sumo, Bellmatic

Specifications

Movement

Automatic

Case Material

Hardlex-Coated Steel

Case Width

44mm

Case Thickness

10.1mm

Lug Width

18mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

30m

Dial Color

Navy

Jewels

24j

Frequency

21,600 bph

Power Reserve

38 hours

Year

1976

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