Seiko Cal. 3897 - 670

Released in 1994, the Cal. 3897 with design code 670 was part of Seiko's domestic market collection. Powered by the 3897 caliber with 32j jewels beating at 28,800 bph, it delivers a 51 hours power reserve. [seikata-wm-ced7efee5be7]

Also known as: UFO, Baby Tuna

Specifications

Movement

Solar

Case Material

Titanium

Case Width

38mm

Case Thickness

13.3mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

150m

Dial Color

Burgundy

Jewels

32j

Frequency

28,800 bph

Power Reserve

51 hours

Year

1994

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