Seiko Cal. 4440 - 703

The 4440-703 is a sought-after Spring Drive piece from Seiko's golden era. It features a Champagne dial protected by a Acrylic crystal and offers 70m of water resistance. [seikata-wm-71e77a5d318e]

Also known as: Sumo

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

38mm

Case Thickness

12.8mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

70m

Dial Color

Champagne

Jewels

33j

Frequency

21,600 bph

Power Reserve

66 hours

Year

1979

Related Models

• Seiko 0733-291
• Seiko 7163-418
• Seiko 6658-584
• Seiko 7116-509
• Seiko 0769-882
• Seiko 6291-570
• Seiko 0796-998
• Seiko 3879-126
• Seiko 3885-540
• Seiko 4521-579
• Seiko 4532-133
• Seiko 6676-591