Seiko Cal. 4427 - 701

The Seiko 4427-701 represents an important milestone in Seiko's 1977 lineup. Powered by the 4427 caliber with 35j jewels beating at 36,000 bph, it delivers a 48 hours power reserve. [seikata-wm-c27b988e664e]

Also known as: Bellmatic

Specifications

Movement

Solar

Case Material

Hardlex-Coated Steel

Case Width

38mm

Case Thickness

13.0mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

170m

Dial Color

Black

Jewels

35j

Frequency

36,000 bph

Power Reserve

48 hours

Year

1977

Related Models

• Seiko 7189-224
• Seiko 7158-820
• Seiko 4572-859
• Seiko 6190-945
• Seiko 6127-647
• Seiko 5220-325
• Seiko 7021-933
• Seiko 7024-281
• Seiko 5269-210
• Seiko 0792-849
• Seiko 6315-190
• Seiko 4593-198