Seiko Cal. 7145 - 420

The Seiko 7145-420 represents an important milestone in Seiko's 1972 lineup. It features a Black dial protected by a Mineral crystal and offers 110m of water resistance. [seikata-wm-4ff273498cfc]

Also known as: Arnie

Specifications

Movement

Automatic

Case Material

Two-Tone

Case Width

35mm

Case Thickness

14.4mm

Lug Width

20mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

110m

Dial Color

Black

Jewels

24j

Frequency

28,800 bph

Power Reserve

66 hours

Year

1972

Related Models

• Seiko 5644-452
• Seiko 4444-807
• Seiko 3811-432
• Seiko 7029-623
• Seiko 0732-797
• Seiko 6142-363
• Seiko 7056-470
• Seiko 0765-788
• Seiko 0713-459
• Seiko 3872-744
• Seiko 6369-250
• Seiko 6237-303