Seiko Cal. 5637 - 319

The 5637-319 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 5637 caliber with 29j jewels beating at 28,800 bph, it delivers a 70 hours power reserve. [seikata-wm-c49f9d90aa93]

Also known as: Silverwave

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

40mm

Case Thickness

15.5mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

140m

Dial Color

Silver

Jewels

29j

Frequency

28,800 bph

Power Reserve

70 hours

Year

1967

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