Seiko Cal. 3899 - 723

The Seiko 3899-723 represents an important milestone in Seiko's 1974 lineup. It features a Green dial protected by a Mineral crystal and offers 200m of water resistance. [seikata-wm-03b8002cd229]

Also known as: Flighty

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

42mm

Case Thickness

8.9mm

Lug Width

19mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

200m

Dial Color

Green

Jewels

35j

Frequency

21,600 bph

Power Reserve

43 hours

Year

1974

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