Seiko Cal. 7154 - 221

The Seiko 7154-221 represents an important milestone in Seiko's 1977 lineup. With its 20mm lug width and 9.7mm profile, it sits comfortably on most wrists. [seikata-wm-3c5c0cc2e27a]

Also known as: Sea Horse

Specifications

Movement

Solar

Case Material

Hardlex-Coated Steel

Case Width

42mm

Case Thickness

9.7mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

200m

Dial Color

Black

Jewels

24j

Frequency

21,600 bph

Power Reserve

48 hours

Year

1977

Related Models

• Seiko 7081-546
• Seiko 3897-730
• Seiko 4579-487
• Seiko 6156-252
• Seiko 6292-644
• Seiko 6633-374
• Seiko 5627-399
• Seiko 6167-527
• Seiko 6115-121
• Seiko 3855-884
• Seiko 6392-637
• Seiko 3885-631