Seiko Cal. 4423 - 712

This Spring Drive model from 1965 features a 44mm Titanium case. With its 22mm lug width and 14.7mm profile, it sits comfortably on most wrists. [seikata-wm-33277d0791e0]

Also known as: Shogun, Golden Tuna

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

44mm

Case Thickness

14.7mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

190m

Dial Color

Navy

Jewels

28j

Frequency

28,800 bph

Power Reserve

36 hours

Year

1965

Related Models

• Seiko 6651-625
• Seiko 3837-440
• Seiko 6135-503
• Seiko 7169-852
• Seiko 6394-871
• Seiko 6399-952
• Seiko 6638-598
• Seiko 7136-214
• Seiko 6641-958
• Seiko 0751-113
• Seiko 6293-606
• Seiko 6281-527