Seiko Cal. 6311 - 820

Seiko 6311-820

This Hand-Winding model from 1978 features a 46mm Stainless Steel case. The Coin-Edge bezel and 46mm case give it a distinctive presence on the wrist. [seikata-wm-4059d30fee06]

Also known as: Bullhead, Arnie

Specifications

Movement
Hand-Winding
Case Material
Stainless Steel
Case Width
46mm
Case Thickness
13.8mm
Lug Width
20mm
Crystal
Mineral
Bezel
Coin-Edge
Water Resistance
80m
Dial Color
Navy
Jewels
31j
Frequency
36,000 bph
Power Reserve
44 hours
Year
1978

Related Models

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