Seiko Cal. 5638 - 515

The 5638-515 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 5638 caliber with 36j jewels beating at 28,800 bph, it delivers a 47 hours power reserve. [seikata-wm-1a6dadd970bd]

Also known as: Pogue, World Timer

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

42mm

Case Thickness

10.3mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

140m

Dial Color

Navy

Jewels

36j

Frequency

28,800 bph

Power Reserve

47 hours

Year

1998

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