Seiko Cal. 5639 - 409

This Spring Drive model from 1970 features a 39mm Two-Tone case. Powered by the 5639 caliber with 24j jewels beating at 36,000 bph, it delivers a 69 hours power reserve. [seikata-wm-2bf3ecefe829]

Also known as: Flighty

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

39mm

Case Thickness

15.2mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

170m

Dial Color

Cream

Jewels

24j

Frequency

36,000 bph

Power Reserve

69 hours

Year

1970

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