Seiko Cal. 5637 - 369

Released in 1986, the Cal. 5637 with design code 369 was part of Seiko's domestic market collection. Powered by the 5637 caliber with 29j jewels beating at 21,600 bph, it delivers a 50 hours power reserve. [seikata-wm-dc5ee5830f5d]

Also known as: World Timer, Crown

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

34mm

Case Thickness

11.2mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

90m

Dial Color

Burgundy

Jewels

29j

Frequency

21,600 bph

Power Reserve

50 hours

Year

1986

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