Seiko Cal. 4427 - 305

Released in 1977, the Cal. 4427 with design code 305 was part of Seiko's domestic market collection. It features a Cream dial protected by a Mineral crystal and offers 80m of water resistance. [seikata-wm-afc29cc79f50]

Also known as: Bellmatic, Crown

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

39mm

Case Thickness

12.8mm

Lug Width

18mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

80m

Dial Color

Cream

Jewels

27j

Frequency

36,000 bph

Power Reserve

36 hours

Year

1977

Related Models

• Seiko 4532-315
• Seiko 7037-750
• Seiko 3894-500
• Seiko 6337-889
• Seiko 6196-235
• Seiko 6398-540
• Seiko 6331-852
• Seiko 3815-821
• Seiko 7022-334
• Seiko 6387-891
• Seiko 6226-919
• Seiko 0747-268