Seiko Cal. 4439 - 388

The Seiko 4439-388 represents an important milestone in Seiko's 1996 lineup. Powered by the 4439 caliber with 25j jewels beating at 28,800 bph, it delivers a 37 hours power reserve. [seikata-wm-0c23c21e1660]

Also known as: Pogue, UFO

Specifications

Movement

Quartz

Case Material

Stainless Steel

Case Width

42mm

Case Thickness

11.9mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

200m

Dial Color

Blue Sunburst

Jewels

25j

Frequency

28,800 bph

Power Reserve

37 hours

Year

1996

Related Models

• Seiko 7055-771
• Seiko 4437-825
• Seiko 7112-586
• Seiko 7083-546
• Seiko 4470-489
• Seiko 6142-264
• Seiko 4476-975
• Seiko 5222-949
• Seiko 4453-470
• Seiko 4549-287
• Seiko 6673-488
• Seiko 5622-708