Seiko Cal. 7157 - 326

The Seiko 7157-326 represents an important milestone in Seiko's 1991 lineup. Powered by the 7157 caliber with 24j jewels beating at 28,800 bph, it delivers a 72 hours power reserve. [seikata-wm-17d779da9ecc]

Also known as: Helmet, Flighty

Specifications

Movement

Solar

Case Material

Two-Tone

Case Width

45mm

Case Thickness

13.6mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

100m

Dial Color

Navy

Jewels

24j

Frequency

28,800 bph

Power Reserve

72 hours

Year

1991

Related Models

• Seiko 6154-769
• Seiko 6257-852
• Seiko 5615-347
• Seiko 0732-407
• Seiko 5272-542
• Seiko 6215-805
• Seiko 4582-419
• Seiko 5237-400
• Seiko 5648-867
• Seiko 6162-830
• Seiko 3899-500
• Seiko 5251-211