Seiko Cal. 3891 - 639

The Seiko 3891-639 represents an important milestone in Seiko's 1969 lineup. The Coin-Edge bezel and 45mm case give it a distinctive presence on the wrist. [seikata-wm-9cd84c64a787]

Also known as: Rally

Specifications

Movement

Automatic

Case Material

Two-Tone

Case Width

45mm

Case Thickness

8.4mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

130m

Dial Color

Champagne

Jewels

32j

Frequency

21,600 bph

Power Reserve

45 hours

Year

1969

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