Seiko Cal. 4510 - 691

Seiko 4510-691

This Automatic model from 1966 features a 39mm Hardlex-Coated Steel case. With its 22mm lug width and 11.2mm profile, it sits comfortably on most wrists. [seikata-wm-81199e2329dd]

Also known as: UFO, Golden Tuna

Specifications

Movement
Automatic
Case Material
Hardlex-Coated Steel
Case Width
39mm
Case Thickness
11.2mm
Lug Width
22mm
Crystal
Sapphire
Bezel
Rotating
Water Resistance
150m
Dial Color
Navy
Jewels
33j
Frequency
36,000 bph
Power Reserve
69 hours
Year
1966

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