Seiko Cal. 5621 - 516

The Seiko 5621-516 represents an important milestone in Seiko's 1975 lineup. It features a Blue Sunburst dial protected by a Sapphire crystal and offers 60m of water resistance. [seikata-wm-67b74f3a9809]

Also known as: Baby Tuna

Specifications

Movement

Solar

Case Material

Titanium

Case Width

43mm

Case Thickness

12.1mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

60m

Dial Color

Blue Sunburst

Jewels

26j

Frequency

36,000 bph

Power Reserve

65 hours

Year

1975

Related Models

• Seiko 7136-250
• Seiko 4474-952
• Seiko 4584-418
• Seiko 4448-802
• Seiko 0752-796
• Seiko 6661-269
• Seiko 4480-843
• Seiko 5636-528
• Seiko 5658-883
• Seiko 6662-825
• Seiko 3848-568
• Seiko 6155-789