Seiko Cal. 4447 - 977

Released in 1969, the Cal. 4447 with design code 977 was part of Seiko's domestic market collection. With its 22mm lug width and 13.4mm profile, it sits comfortably on most wrists. [seikata-wm-97ee7523bb2e]

Also known as: Navigator

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

40mm

Case Thickness

13.4mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

130m

Dial Color

Green

Jewels

34j

Frequency

28,800 bph

Power Reserve

54 hours

Year

1969

Related Models

• Seiko 7071-200
• Seiko 6133-396
• Seiko 7063-578
• Seiko 5261-267
• Seiko 4428-179
• Seiko 5616-875
• Seiko 6335-843
• Seiko 7055-981
• Seiko 3840-118
• Seiko 3856-483
• Seiko 0735-540
• Seiko 4447-598