Seiko Cal. 5661 - 228

The Seiko 5661-228 represents an important milestone in Seiko's 1972 lineup. The Inner Rotating bezel and 44mm case give it a distinctive presence on the wrist. [seikata-wm-0ae9979ea3be]

Also known as: Navigator

Specifications

Movement

Solar

Case Material

Hardlex-Coated Steel

Case Width

44mm

Case Thickness

8.2mm

Lug Width

21mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

70m

Dial Color

Champagne

Jewels

31j

Frequency

36,000 bph

Power Reserve

52 hours

Year

1972

Related Models

• Seiko 5665-580
• Seiko 5219-754
• Seiko 5647-380
• Seiko 6350-757
• Seiko 6284-591
• Seiko 3876-431
• Seiko 6157-527
• Seiko 7191-554
• Seiko 5674-352
• Seiko 7120-886
• Seiko 5278-922
• Seiko 6632-253