Seiko Cal. 6391 - 804

Seiko 6391-804

This Hand-Winding model from 1979 features a 34mm Hardlex-Coated Steel case. The Coin-Edge bezel and 34mm case give it a distinctive presence on the wrist. [seikata-wm-42eabffdcace]

Also known as: Helmet, UFO

Specifications

Movement
Hand-Winding
Case Material
Hardlex-Coated Steel
Case Width
34mm
Case Thickness
13.6mm
Lug Width
21mm
Crystal
Sapphire
Bezel
Coin-Edge
Water Resistance
90m
Dial Color
Silver
Jewels
23j
Frequency
28,800 bph
Power Reserve
63 hours
Year
1979

Related Models

seikata-wm-42eabffdcace