Seiko Cal. 6210 - 428

The 6210-428 is a sought-after Solar piece from Seiko's golden era. Powered by the 6210 caliber with 21j jewels beating at 28,800 bph, it delivers a 44 hours power reserve. [seikata-wm-3a47d22ef78d]

Also known as: Baby Tuna

Specifications

Movement

Solar

Case Material

Two-Tone

Case Width

37mm

Case Thickness

13.3mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

140m

Dial Color

Black

Jewels

21j

Frequency

28,800 bph

Power Reserve

44 hours

Year

1965

Related Models

• Seiko 0714-126
• Seiko 5681-949
• Seiko 4556-504
• Seiko 4473-694
• Seiko 4479-921
• Seiko 4599-372
• Seiko 5674-556
• Seiko 6310-836
• Seiko 7142-101
• Seiko 5240-218
• Seiko 4451-341
• Seiko 7135-201