Seiko Cal. 5244 - 764

The 5244-764 is a sought-after Automatic piece from Seiko's golden era. Powered by the 5244 caliber with 23j jewels beating at 21,600 bph, it delivers a 56 hours power reserve. [seikata-wm-4d7442202751]

Also known as: Helmet

Specifications

Movement

Automatic

Case Material

Two-Tone

Case Width

37mm

Case Thickness

15.4mm

Lug Width

19mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

100m

Dial Color

Blue Sunburst

Jewels

23j

Frequency

21,600 bph

Power Reserve

56 hours

Year

1977

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