Seiko Cal. 0770 - 639

The Seiko 0770-639 represents an important milestone in Seiko's 1999 lineup. The Coin-Edge bezel and 34mm case give it a distinctive presence on the wrist. [seikata-wm-bf5eb5f1b44f]

Also known as: Rally, Goldfeather

Specifications

Movement

Solar

Case Material

PVD Black

Case Width

34mm

Case Thickness

10.7mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

150m

Dial Color

White

Jewels

26j

Frequency

21,600 bph

Power Reserve

45 hours

Year

1999

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