Seiko Cal. 6331 - 418

Seiko 6331-418

The 6331-418 is a sought-after Solar piece from Seiko's golden era. The Bidirectional bezel and 37mm case give it a distinctive presence on the wrist. [seikata-wm-65384f8b2f6f]

Also known as: Silverwave, Sportsmatic

Specifications

Movement
Solar
Case Material
Hardlex-Coated Steel
Case Width
37mm
Case Thickness
8.2mm
Lug Width
21mm
Crystal
Sapphire
Bezel
Bidirectional
Water Resistance
190m
Dial Color
Silver
Jewels
35j
Frequency
36,000 bph
Power Reserve
48 hours
Year
1987

Related Models

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