Seiko Cal. 7188 - 121

The Seiko 7188-121 represents an important milestone in Seiko's 1982 lineup. It features a Silver dial protected by a Sapphire crystal and offers 140m of water resistance. [seikata-wm-4a894eb29c71]

Also known as: Tuna, Helmet

Specifications

Movement

Automatic

Case Material

Gold-Plated

Case Width

38mm

Case Thickness

12.7mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

140m

Dial Color

Silver

Jewels

36j

Frequency

28,800 bph

Power Reserve

65 hours

Year

1982

Related Models

• Seiko 5271-267
• Seiko 5662-499
• Seiko 6316-244
• Seiko 0764-557
• Seiko 3854-245
• Seiko 6293-490
• Seiko 4534-319
• Seiko 7038-325
• Seiko 3863-478
• Seiko 0724-397
• Seiko 5637-488
• Seiko 6350-237