Seiko Cal. 4440 - 839

The Seiko 4440-839 represents an important milestone in Seiko's 1974 lineup. It features a Green dial protected by a Mineral crystal and offers 200m of water resistance. [seikata-wm-27864fe4af13]

Also known as: Tuna

Specifications

Movement

Quartz

Case Material

Stainless Steel

Case Width

43mm

Case Thickness

8.1mm

Lug Width

18mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

200m

Dial Color

Green

Jewels

23j

Frequency

28,800 bph

Power Reserve

41 hours

Year

1974

Related Models

• Seiko 5663-333
• Seiko 6385-131
• Seiko 0746-459
• Seiko 5677-577
• Seiko 6332-864
• Seiko 7055-592
• Seiko 6289-257
• Seiko 6318-231
• Seiko 6131-216
• Seiko 7070-405
• Seiko 5263-240
• Seiko 4592-405