Seiko Cal. 6389 - 412

This Solar model from 1970 features a 38mm PVD Black case. Powered by the 6389 caliber with 31j jewels beating at 36,000 bph, it delivers a 68 hours power reserve. [seikata-wm-e1da1ded5606]

Specifications

Movement

Solar

Case Material

PVD Black

Case Width

38mm

Case Thickness

9.4mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

90m

Dial Color

White

Jewels

31j

Frequency

36,000 bph

Power Reserve

68 hours

Year

1970

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