Seiko Cal. 4531 - 740

This Quartz model from 1977 features a 35mm Titanium case. It features a Black dial protected by a Hardlex crystal and offers 150m of water resistance. [seikata-wm-bafbb7250b9a]

Also known as: Arnie

Specifications

Movement

Quartz

Case Material

Titanium

Case Width

35mm

Case Thickness

8.5mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

150m

Dial Color

Black

Jewels

32j

Frequency

21,600 bph

Power Reserve

43 hours

Year

1977

Related Models

• Seiko 4547-861
• Seiko 0787-965
• Seiko 6249-207
• Seiko 6697-153
• Seiko 4441-719
• Seiko 6294-524
• Seiko 3843-755
• Seiko 3871-582
• Seiko 4444-221
• Seiko 6623-715
• Seiko 6620-278
• Seiko 3877-693