Seiko Cal. 5244 - 391

The 5244-391 is a sought-after Hand-Winding piece from Seiko's golden era. Powered by the 5244 caliber with 21j jewels beating at 28,800 bph, it delivers a 68 hours power reserve. [seikata-wm-e28e3576f0f5]

Also known as: Sumo, World Timer

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

44mm

Case Thickness

12.3mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

30m

Dial Color

White

Jewels

21j

Frequency

28,800 bph

Power Reserve

68 hours

Year

1968

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