Seiko Cal. 5639 - 336

This Hand-Winding model from 1972 features a 46mm Two-Tone case. Powered by the 5639 caliber with 29j jewels beating at 28,800 bph, it delivers a 46 hours power reserve. [seikata-wm-fd6df4d93a53]

Also known as: Silverwave

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

46mm

Case Thickness

10.5mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

200m

Dial Color

Black

Jewels

29j

Frequency

28,800 bph

Power Reserve

46 hours

Year

1972

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