Seiko Cal. 6311 - 421

Seiko 6311-421

This Spring Drive model from 1986 features a 41mm Hardlex-Coated Steel case. It features a Burgundy dial protected by a Sapphire crystal and offers 90m of water resistance. [seikata-wm-f6673e3b6fc9]

Specifications

Movement
Spring Drive
Case Material
Hardlex-Coated Steel
Case Width
41mm
Case Thickness
8.7mm
Lug Width
22mm
Crystal
Sapphire
Bezel
Rotating
Water Resistance
90m
Dial Color
Burgundy
Jewels
29j
Frequency
21,600 bph
Power Reserve
36 hours
Year
1986

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