Seiko Cal. 3899 - 770

Seiko 3899-770

The Seiko 3899-770 represents an important milestone in Seiko's 1979 lineup. The Fixed bezel and 43mm case give it a distinctive presence on the wrist. [seikata-wm-f055cac1489a]

Also known as: World Timer

Specifications

Movement
Kinetic
Case Material
Titanium
Case Width
43mm
Case Thickness
11.4mm
Lug Width
19mm
Crystal
Acrylic
Bezel
Fixed
Water Resistance
180m
Dial Color
Green
Jewels
25j
Frequency
21,600 bph
Power Reserve
42 hours
Year
1979

Related Models

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