Seiko Cal. 5638 - 505

The 5638-505 is a sought-after Hand-Winding piece from Seiko's golden era. Powered by the 5638 caliber with 33j jewels beating at 28,800 bph, it delivers a 39 hours power reserve. [seikata-wm-76430f2cd558]

Also known as: Rally

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

42mm

Case Thickness

11.9mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

180m

Dial Color

Silver

Jewels

33j

Frequency

28,800 bph

Power Reserve

39 hours

Year

1997

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