Seiko Cal. 4478 - 309

The Seiko 4478-309 represents an important milestone in Seiko's 1993 lineup. It features a White dial protected by a Mineral crystal and offers 110m of water resistance. [seikata-wm-201e7507c763]

Also known as: Sumo, Silverwave

Specifications

Movement

Solar

Case Material

Hardlex-Coated Steel

Case Width

44mm

Case Thickness

11.9mm

Lug Width

21mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

110m

Dial Color

White

Jewels

33j

Frequency

21,600 bph

Power Reserve

49 hours

Year

1993

Related Models

• Seiko 0758-159
• Seiko 6698-488
• Seiko 6225-672
• Seiko 6627-106
• Seiko 7044-727
• Seiko 4584-446
• Seiko 4468-997
• Seiko 4517-861
• Seiko 5271-641
• Seiko 5268-240
• Seiko 0742-593
• Seiko 6316-764