Seiko Cal. 6378 - 561

This Solar model from 1966 features a 41mm Hardlex-Coated Steel case. It features a Blue Sunburst dial protected by a Sapphire crystal and offers 140m of water resistance. [seikata-wm-5ee9badb11f2]

Also known as: Shogun, Golden Tuna

Specifications

Movement

Solar

Case Material

Hardlex-Coated Steel

Case Width

41mm

Case Thickness

13.9mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

140m

Dial Color

Blue Sunburst

Jewels

34j

Frequency

28,800 bph

Power Reserve

46 hours

Year

1966

Related Models

• Seiko 3872-793
• Seiko 6122-598
• Seiko 6170-763
• Seiko 3858-503
• Seiko 4424-707
• Seiko 6669-724
• Seiko 7110-202
• Seiko 7042-693
• Seiko 3842-455
• Seiko 3867-719
• Seiko 4469-660
• Seiko 6295-763