Seiko Cal. 3897 - 907

The 3897-907 is a sought-after Hand-Winding piece from Seiko's golden era. The Inner Rotating bezel and 44mm case give it a distinctive presence on the wrist. [seikata-wm-5ac4997ec8b2]

Also known as: Sea Horse

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

44mm

Case Thickness

14.7mm

Lug Width

21mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

200m

Dial Color

Black

Jewels

30j

Frequency

36,000 bph

Power Reserve

44 hours

Year

1976

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