Seiko Cal. 4480 - 939

The Seiko 4480-939 represents an important milestone in Seiko's 1967 lineup. Powered by the 4480 caliber with 23j jewels beating at 21,600 bph, it delivers a 69 hours power reserve. [seikata-wm-092e43877204]

Also known as: Bullhead, Navigator

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

43mm

Case Thickness

15.2mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

80m

Dial Color

Navy

Jewels

23j

Frequency

21,600 bph

Power Reserve

69 hours

Year

1967

Related Models

• Seiko 6262-148
• Seiko 5242-507
• Seiko 0761-904
• Seiko 6242-999
• Seiko 5677-772
• Seiko 7051-103
• Seiko 5216-277
• Seiko 5296-243
• Seiko 5236-495
• Seiko 4429-408
• Seiko 4577-104
• Seiko 6281-893