Seiko Cal. 7023 - 457

The Seiko 7023-457 represents an important milestone in Seiko's 1981 lineup. Powered by the 7023 caliber with 34j jewels beating at 28,800 bph, it delivers a 38 hours power reserve. [seikata-wm-2e9b8944d2e7]

Also known as: Tuna, Goldfeather

Specifications

Movement

Automatic

Case Material

Stainless Steel

Case Width

39mm

Case Thickness

13.9mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

90m

Dial Color

Navy

Jewels

34j

Frequency

28,800 bph

Power Reserve

38 hours

Year

1981

Related Models

• Seiko 4445-106
• Seiko 5652-381
• Seiko 3897-551
• Seiko 7040-436
• Seiko 5663-611
• Seiko 4488-482
• Seiko 6144-289
• Seiko 6110-624
• Seiko 7064-760
• Seiko 4450-558
• Seiko 6359-618
• Seiko 6691-796