Seiko Cal. 4440 - 377

This Quartz model from 1969 features a 43mm Hardlex-Coated Steel case. Powered by the 4440 caliber with 30j jewels beating at 36,000 bph, it delivers a 39 hours power reserve. [seikata-wm-8ae598041cf6]

Also known as: Navigator

Specifications

Movement

Quartz

Case Material

Hardlex-Coated Steel

Case Width

43mm

Case Thickness

9.2mm

Lug Width

21mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

160m

Dial Color

Silver

Jewels

30j

Frequency

36,000 bph

Power Reserve

39 hours

Year

1969

Related Models

• Seiko 6130-954
• Seiko 5229-450
• Seiko 5625-392
• Seiko 6378-599
• Seiko 6698-862
• Seiko 6233-847
• Seiko 4492-191
• Seiko 6692-682
• Seiko 0751-209
• Seiko 4574-330
• Seiko 7127-109
• Seiko 6220-474