Seiko Cal. 7091 - 521

Released in 1980, the Cal. 7091 with design code 521 was part of Seiko's domestic market collection. It features a Silver dial protected by a Acrylic crystal and offers 90m of water resistance. [seikata-wm-3bcae160b7ce]

Also known as: Monster, Emperor

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

43mm

Case Thickness

9.3mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

90m

Dial Color

Silver

Jewels

32j

Frequency

36,000 bph

Power Reserve

64 hours

Year

1980

Related Models

• Seiko 4463-728
• Seiko 6650-346
• Seiko 4553-732
• Seiko 5276-934
• Seiko 6232-459
• Seiko 7023-900
• Seiko 7148-403
• Seiko 7180-417
• Seiko 6187-192
• Seiko 5630-642
• Seiko 5253-368
• Seiko 0747-494