Seiko Cal. 6644 - 411

Seiko 6644-411

This Automatic model from 1982 features a 39mm Hardlex-Coated Steel case. The Bidirectional bezel and 39mm case give it a distinctive presence on the wrist. [seikata-wm-6e7fa4ce8b8d]

Also known as: Sumo, Sportsmatic

Specifications

Movement
Automatic
Case Material
Hardlex-Coated Steel
Case Width
39mm
Case Thickness
8.5mm
Lug Width
18mm
Crystal
Mineral
Bezel
Bidirectional
Water Resistance
70m
Dial Color
Burgundy
Jewels
30j
Frequency
21,600 bph
Power Reserve
44 hours
Year
1982

Related Models

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