Seiko Cal. 3899 - 797

The Seiko 3899-797 represents an important milestone in Seiko's 1970 lineup. Powered by the 3899 caliber with 36j jewels beating at 28,800 bph, it delivers a 57 hours power reserve. [seikata-wm-88f12738f168]

Also known as: Crown

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

38mm

Case Thickness

13.6mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

160m

Dial Color

Silver

Jewels

36j

Frequency

28,800 bph

Power Reserve

57 hours

Year

1970

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