Seiko Cal. 3851 - 907

Seiko 3851-907

The Seiko 3851-907 represents an important milestone in Seiko's 1998 lineup. The Rotating bezel and 40mm case give it a distinctive presence on the wrist. [seikata-wm-da4f31cdaa38]

Also known as: Sumo, Helmet

Specifications

Movement
Automatic
Case Material
PVD Black
Case Width
40mm
Case Thickness
13.2mm
Lug Width
20mm
Crystal
Sapphire
Bezel
Rotating
Water Resistance
80m
Dial Color
Blue Sunburst
Jewels
25j
Frequency
28,800 bph
Power Reserve
55 hours
Year
1998

Related Models

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