Seiko Cal. 6620 - 531

This Solar model from 1967 features a 45mm Gold-Plated case. It features a White dial protected by a Mineral crystal and offers 130m of water resistance. [seikata-wm-ddea2be20ed8]

Also known as: Baby Tuna

Specifications

Movement

Solar

Case Material

Gold-Plated

Case Width

45mm

Case Thickness

8.7mm

Lug Width

22mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

130m

Dial Color

White

Jewels

17j

Frequency

28,800 bph

Power Reserve

51 hours

Year

1967

Related Models

• Seiko 3835-562
• Seiko 5695-983
• Seiko 4574-255
• Seiko 6220-530
• Seiko 0711-455
• Seiko 6188-568
• Seiko 6137-646
• Seiko 5663-114
• Seiko 6110-334
• Seiko 7083-570
• Seiko 6291-563
• Seiko 6338-460