Seiko Cal. 6678 - 390

The 6678-390 is a sought-after Solar piece from Seiko's golden era. It features a Blue Sunburst dial protected by a Hardlex crystal and offers 70m of water resistance. [seikata-wm-d3e5269689a7]

Also known as: Arnie

Specifications

Movement

Solar

Case Material

Titanium

Case Width

42mm

Case Thickness

13.0mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

70m

Dial Color

Blue Sunburst

Jewels

21j

Frequency

21,600 bph

Power Reserve

37 hours

Year

1997

Related Models

• Seiko 4581-584
• Seiko 4442-893
• Seiko 4482-390
• Seiko 7036-684
• Seiko 4441-900
• Seiko 3818-265
• Seiko 6123-738
• Seiko 6377-911
• Seiko 7028-192
• Seiko 7166-252
• Seiko 6341-675
• Seiko 6131-518