Seiko Cal. 6331 - 637

Seiko 6331-637

This Automatic model from 1974 features a 44mm Stainless Steel case. The Bidirectional bezel and 44mm case give it a distinctive presence on the wrist. [seikata-wm-eae2a3326b7e]

Also known as: Samurai, Panda

Specifications

Movement
Automatic
Case Material
Stainless Steel
Case Width
44mm
Case Thickness
13.6mm
Lug Width
22mm
Crystal
Sapphire
Bezel
Bidirectional
Water Resistance
40m
Dial Color
Burgundy
Jewels
29j
Frequency
28,800 bph
Power Reserve
57 hours
Year
1974

Related Models

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