Seiko Cal. 7091 - 591

The Seiko 7091-591 represents an important milestone in Seiko's 1969 lineup. It features a White dial protected by a Hardlex crystal and offers 110m of water resistance. [seikata-wm-7f0f3fb2ee2a]

Also known as: Sumo, Silverwave

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

44mm

Case Thickness

15.1mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

110m

Dial Color

White

Jewels

29j

Frequency

21,600 bph

Power Reserve

54 hours

Year

1969

Related Models

• Seiko 7081-275
• Seiko 5225-731
• Seiko 6169-975
• Seiko 5690-541
• Seiko 6120-385
• Seiko 3810-786
• Seiko 6614-149
• Seiko 0771-588
• Seiko 7152-713
• Seiko 6225-649
• Seiko 3822-556
• Seiko 4549-414