Seiko Cal. 4427 - 245

This Hand-Winding model from 1992 features a 34mm PVD Black case. Powered by the 4427 caliber with 21j jewels beating at 36,000 bph, it delivers a 43 hours power reserve. [seikata-wm-1f1455212059]

Also known as: Monster

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

34mm

Case Thickness

9.8mm

Lug Width

18mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

200m

Dial Color

Silver

Jewels

21j

Frequency

36,000 bph

Power Reserve

43 hours

Year

1992

Related Models

• Seiko 3873-108
• Seiko 5645-337
• Seiko 7089-821
• Seiko 6265-722
• Seiko 7136-503
• Seiko 5657-876
• Seiko 4445-106
• Seiko 6681-160
• Seiko 7067-197
• Seiko 6651-128
• Seiko 7017-280
• Seiko 7057-220