Seiko Cal. 6168 - 521

The 6168-521 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 6168 caliber with 31j jewels beating at 21,600 bph, it delivers a 71 hours power reserve. [seikata-wm-69599a9cfef4]

Also known as: Tuna, UFO

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

40mm

Case Thickness

12.9mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

120m

Dial Color

Navy

Jewels

31j

Frequency

21,600 bph

Power Reserve

71 hours

Year

1989

Related Models

• Seiko 0795-714
• Seiko 5238-688
• Seiko 7151-370
• Seiko 7012-382
• Seiko 7134-584
• Seiko 5223-386
• Seiko 6622-557
• Seiko 6125-475
• Seiko 6353-858
• Seiko 4445-999
• Seiko 4552-117
• Seiko 4455-156