Seiko Cal. 6628 - 381

Seiko 6628-381

The 6628-381 is a sought-after Solar piece from Seiko's golden era. The Bidirectional bezel and 40mm case give it a distinctive presence on the wrist. [seikata-wm-b56ac26116c9]

Also known as: Silverwave, Arnie

Specifications

Movement
Solar
Case Material
Hardlex-Coated Steel
Case Width
40mm
Case Thickness
15.2mm
Lug Width
18mm
Crystal
Sapphire
Bezel
Bidirectional
Water Resistance
30m
Dial Color
Black
Jewels
31j
Frequency
28,800 bph
Power Reserve
52 hours
Year
1971

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seikata-wm-b56ac26116c9