Seiko Cal. 4487 - 694

The Seiko 4487-694 represents an important milestone in Seiko's 1968 lineup. It features a Navy dial protected by a Mineral crystal and offers 30m of water resistance. [seikata-wm-d1a3e79f6a1c]

Also known as: Navigator, Flighty

Specifications

Movement

Automatic

Case Material

Hardlex-Coated Steel

Case Width

42mm

Case Thickness

11.3mm

Lug Width

22mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

30m

Dial Color

Navy

Jewels

34j

Frequency

21,600 bph

Power Reserve

60 hours

Year

1968

Related Models

• Seiko 5291-908
• Seiko 6252-760
• Seiko 6131-482
• Seiko 6660-693
• Seiko 4427-749
• Seiko 7158-841
• Seiko 6177-183
• Seiko 6183-978
• Seiko 4542-960
• Seiko 7119-250
• Seiko 5236-694
• Seiko 6165-294