Seiko Cal. 3899 - 244

The Seiko 3899-244 represents an important milestone in Seiko's 1978 lineup. The Bidirectional bezel and 42mm case give it a distinctive presence on the wrist. [seikata-wm-f30e93d58cb2]

Also known as: Sumo

Specifications

Movement

Hand-Winding

Case Material

Gold-Plated

Case Width

42mm

Case Thickness

11.3mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

170m

Dial Color

Burgundy

Jewels

31j

Frequency

21,600 bph

Power Reserve

53 hours

Year

1978

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