Seiko Cal. 7121 - 487

This Hand-Winding model from 1970 features a 42mm Gold-Plated case. The Coin-Edge bezel and 42mm case give it a distinctive presence on the wrist. [seikata-wm-d23fa30fe548]

Also known as: Sea Horse

Specifications

Movement

Hand-Winding

Case Material

Gold-Plated

Case Width

42mm

Case Thickness

15.4mm

Lug Width

21mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

40m

Dial Color

Green

Jewels

27j

Frequency

21,600 bph

Power Reserve

69 hours

Year

1970

Related Models

• Seiko 6233-543
• Seiko 7116-923
• Seiko 4463-799
• Seiko 4538-896
• Seiko 3815-840
• Seiko 6150-109
• Seiko 4465-685
• Seiko 5221-974
• Seiko 5270-159
• Seiko 5248-571
• Seiko 7062-735
• Seiko 7184-386