Seiko Cal. 7150 - 621

This Spring Drive model from 1986 features a 44mm Hardlex-Coated Steel case. Powered by the 7150 caliber with 30j jewels beating at 28,800 bph, it delivers a 70 hours power reserve. [seikata-wm-eeae728a591b]

Also known as: Tuna

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

44mm

Case Thickness

11.2mm

Lug Width

19mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

140m

Dial Color

Silver

Jewels

30j

Frequency

28,800 bph

Power Reserve

70 hours

Year

1986

Related Models

• Seiko 6667-447
• Seiko 7091-574
• Seiko 6679-821
• Seiko 5277-311
• Seiko 5291-274
• Seiko 6249-106
• Seiko 6286-188
• Seiko 4558-946
• Seiko 6328-274
• Seiko 7167-298
• Seiko 0765-573
• Seiko 4472-357