Seiko Cal. 4490 - 317

This Spring Drive model from 1985 features a 35mm PVD Black case. It features a White dial protected by a Mineral crystal and offers 50m of water resistance. [seikata-wm-eaf438c66355]

Also known as: World Timer, Crown

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

35mm

Case Thickness

15.4mm

Lug Width

19mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

50m

Dial Color

White

Jewels

27j

Frequency

36,000 bph

Power Reserve

47 hours

Year

1985

Related Models

• Seiko 6311-790
• Seiko 5210-135
• Seiko 5697-137
• Seiko 6390-145
• Seiko 0746-786
• Seiko 7132-117
• Seiko 0748-472
• Seiko 4584-677
• Seiko 0729-627
• Seiko 0711-807
• Seiko 7142-428
• Seiko 5654-896