Seiko Cal. 6221 - 551

The Seiko 6221-551 represents an important milestone in Seiko's 1974 lineup. Powered by the 6221 caliber with 25j jewels beating at 36,000 bph, it delivers a 70 hours power reserve. [seikata-wm-e09b4e55bdaa]

Also known as: Samurai, Sumo

Specifications

Movement

Quartz

Case Material

Two-Tone

Case Width

37mm

Case Thickness

10.0mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

170m

Dial Color

White

Jewels

25j

Frequency

36,000 bph

Power Reserve

70 hours

Year

1974

Related Models

• Seiko 7087-793
• Seiko 6373-159
• Seiko 5626-119
• Seiko 7140-586
• Seiko 0712-617
• Seiko 5613-772
• Seiko 6246-796
• Seiko 6355-133
• Seiko 7176-228
• Seiko 3833-720
• Seiko 6367-931
• Seiko 4456-212