Seiko Cal. 5635 - 385

The 5635-385 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 5635 caliber with 27j jewels beating at 21,600 bph, it delivers a 71 hours power reserve. [seikata-wm-3773101ddf56]

Also known as: Turtle, Helmet

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

35mm

Case Thickness

11.8mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

120m

Dial Color

Navy

Jewels

27j

Frequency

21,600 bph

Power Reserve

71 hours

Year

1989

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