Seiko Cal. 3890 - 765

The Seiko 3890-765 represents an important milestone in Seiko's 1968 lineup. Powered by the 3890 caliber with 29j jewels beating at 36,000 bph, it delivers a 51 hours power reserve. [seikata-wm-aafe507624e7]

Also known as: Arnie

Specifications

Movement

Automatic

Case Material

Gold-Plated

Case Width

36mm

Case Thickness

8.9mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

110m

Dial Color

Cream

Jewels

29j

Frequency

36,000 bph

Power Reserve

51 hours

Year

1968

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