Seiko Cal. 0765 - 421

Seiko 0765-421

The Seiko 0765-421 represents an important milestone in Seiko's 1985 lineup. With its 22mm lug width and 13.0mm profile, it sits comfortably on most wrists. [seikata-wm-f9f8556e733f]

Also known as: Tuna, Navigator

Specifications

Movement
Quartz
Case Material
Hardlex-Coated Steel
Case Width
44mm
Case Thickness
13.0mm
Lug Width
22mm
Crystal
Hardlex
Bezel
Inner Rotating
Water Resistance
170m
Dial Color
Blue Sunburst
Jewels
26j
Frequency
21,600 bph
Power Reserve
42 hours
Year
1985

Related Models

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