Seiko Cal. 5680 - 931

The 5680-931 is a sought-after Automatic piece from Seiko's golden era. Powered by the 5680 caliber with 23j jewels beating at 28,800 bph, it delivers a 67 hours power reserve. [seikata-wm-fb25e29fb2ac]

Also known as: Tuna, Navigator

Specifications

Movement

Automatic

Case Material

Two-Tone

Case Width

46mm

Case Thickness

14.5mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

130m

Dial Color

Navy

Jewels

23j

Frequency

28,800 bph

Power Reserve

67 hours

Year

1992

Related Models

• Seiko 0785-570
• Seiko 0726-879
• Seiko 4484-409
• Seiko 0768-991
• Seiko 7112-454
• Seiko 7052-679
• Seiko 0726-941
• Seiko 3826-135
• Seiko 4487-137
• Seiko 6211-766
• Seiko 4472-909
• Seiko 6190-679