Seiko Cal. 7150 - 818

Released in 1971, the Cal. 7150 with design code 818 was part of Seiko's domestic market collection. With its 21mm lug width and 12.5mm profile, it sits comfortably on most wrists. [seikata-wm-cfe9befe721f]

Also known as: Sumo

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

44mm

Case Thickness

12.5mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

160m

Dial Color

Black

Jewels

35j

Frequency

36,000 bph

Power Reserve

68 hours

Year

1971

Related Models

• Seiko 4445-478
• Seiko 3894-934
• Seiko 4440-847
• Seiko 0728-378
• Seiko 6178-730
• Seiko 6170-353
• Seiko 3835-528
• Seiko 0761-708
• Seiko 4596-856
• Seiko 6623-112
• Seiko 4449-843
• Seiko 5622-655