Seiko Cal. 4478 - 517

The Seiko 4478-517 represents an important milestone in Seiko's 1983 lineup. Powered by the 4478 caliber with 27j jewels beating at 21,600 bph, it delivers a 60 hours power reserve. [seikata-wm-9e2db134fd28]

Also known as: Tuna, UFO

Specifications

Movement

Quartz

Case Material

PVD Black

Case Width

44mm

Case Thickness

14.1mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

30m

Dial Color

Silver

Jewels

27j

Frequency

21,600 bph

Power Reserve

60 hours

Year

1983

Related Models

• Seiko 6233-393
• Seiko 4561-312
• Seiko 6238-522
• Seiko 7188-907
• Seiko 5696-334
• Seiko 6288-352
• Seiko 7114-920
• Seiko 7097-719
• Seiko 6650-942
• Seiko 3887-568
• Seiko 6124-461
• Seiko 7085-759