Seiko Cal. 4451 - 454

This Quartz model from 1965 features a 45mm Stainless Steel case. It features a Black dial protected by a Sapphire crystal and offers 60m of water resistance. [seikata-wm-f50ae3683882]

Also known as: Helmet, Silverwave

Specifications

Movement

Quartz

Case Material

Stainless Steel

Case Width

45mm

Case Thickness

13.7mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

60m

Dial Color

Black

Jewels

26j

Frequency

28,800 bph

Power Reserve

53 hours

Year

1965

Related Models

• Seiko 3864-662
• Seiko 7098-485
• Seiko 4437-421
• Seiko 6375-319
• Seiko 4527-272
• Seiko 4443-657
• Seiko 4419-301
• Seiko 4443-456
• Seiko 6146-763
• Seiko 5649-821
• Seiko 5613-463
• Seiko 4511-679