Seiko Cal. 6231 - 284

Seiko 6231-284

This Hand-Winding model from 1980 features a 36mm Hardlex-Coated Steel case. The Inner Rotating bezel and 36mm case give it a distinctive presence on the wrist. [seikata-wm-82ecedaa398a]

Also known as: Tuna, Helmet

Specifications

Movement
Hand-Winding
Case Material
Hardlex-Coated Steel
Case Width
36mm
Case Thickness
12.4mm
Lug Width
22mm
Crystal
Hardlex
Bezel
Inner Rotating
Water Resistance
80m
Dial Color
Blue Sunburst
Jewels
18j
Frequency
21,600 bph
Power Reserve
70 hours
Year
1980

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seikata-wm-82ecedaa398a