Seiko Cal. 7031 - 298

Seiko 7031-298

The Seiko 7031-298 represents an important milestone in Seiko's 1977 lineup. The Rotating bezel and 38mm case give it a distinctive presence on the wrist. [seikata-wm-719b655a7c9f]

Also known as: Bullhead, Navigator

Specifications

Movement
Hand-Winding
Case Material
PVD Black
Case Width
38mm
Case Thickness
14.6mm
Lug Width
22mm
Crystal
Hardlex
Bezel
Rotating
Water Resistance
160m
Dial Color
Black
Jewels
21j
Frequency
28,800 bph
Power Reserve
36 hours
Year
1977

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