Seiko Cal. 4523 - 635

This Quartz model from 1965 features a 40mm Titanium case. It features a Burgundy dial protected by a Mineral crystal and offers 100m of water resistance. [seikata-wm-92ff821b2bfe]

Also known as: Tuna

Specifications

Movement

Quartz

Case Material

Titanium

Case Width

40mm

Case Thickness

15.0mm

Lug Width

22mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

100m

Dial Color

Burgundy

Jewels

29j

Frequency

21,600 bph

Power Reserve

51 hours

Year

1965

Related Models

• Seiko 4462-674
• Seiko 7023-364
• Seiko 6223-558
• Seiko 4544-853
• Seiko 6628-924
• Seiko 4532-315
• Seiko 4490-345
• Seiko 0711-644
• Seiko 7046-378
• Seiko 5671-951
• Seiko 3899-437
• Seiko 6330-741