Seiko Cal. 3897 - 307

The 3897-307 is a sought-after Quartz piece from Seiko's golden era. Powered by the 3897 caliber with 36j jewels beating at 21,600 bph, it delivers a 51 hours power reserve. [seikata-wm-46466bfef3a4]

Also known as: Rally, Emperor

Specifications

Movement

Quartz

Case Material

Stainless Steel

Case Width

46mm

Case Thickness

10.9mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

70m

Dial Color

Blue Sunburst

Jewels

36j

Frequency

21,600 bph

Power Reserve

51 hours

Year

1971

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