Seiko Cal. 5660 - 741

The Seiko 5660-741 represents an important milestone in Seiko's 1992 lineup. Powered by the 5660 caliber with 30j jewels beating at 36,000 bph, it delivers a 48 hours power reserve. [seikata-wm-1591e785def8]

Also known as: Tuna

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

35mm

Case Thickness

8.2mm

Lug Width

19mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

80m

Dial Color

Blue Sunburst

Jewels

30j

Frequency

36,000 bph

Power Reserve

48 hours

Year

1992

Related Models

• Seiko 6398-513
• Seiko 3876-873
• Seiko 0743-700
• Seiko 0780-873
• Seiko 4462-843
• Seiko 5249-588
• Seiko 5696-664
• Seiko 7040-391
• Seiko 6375-257
• Seiko 3879-757
• Seiko 3898-353
• Seiko 6629-672