Seiko Cal. 7121 - 154

The Seiko 7121-154 represents an important milestone in Seiko's 1966 lineup. With its 18mm lug width and 10.5mm profile, it sits comfortably on most wrists. [seikata-wm-acbbbc748fb8]

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

42mm

Case Thickness

10.5mm

Lug Width

18mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

180m

Dial Color

Burgundy

Jewels

18j

Frequency

36,000 bph

Power Reserve

60 hours

Year

1966

Related Models

• Seiko 0787-168
• Seiko 4424-429
• Seiko 4477-349
• Seiko 6283-815
• Seiko 6698-888
• Seiko 6213-715
• Seiko 7121-899
• Seiko 6341-318
• Seiko 6649-502
• Seiko 7175-162
• Seiko 5248-695
• Seiko 6628-651