Seiko Cal. 5671 - 940

The 5671-940 is a sought-after Quartz piece from Seiko's golden era. Powered by the 5671 caliber with 33j jewels beating at 21,600 bph, it delivers a 39 hours power reserve. [seikata-wm-4cb1cfe816c4]

Also known as: Tuna, Bullhead

Specifications

Movement

Quartz

Case Material

Titanium

Case Width

39mm

Case Thickness

9.4mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

80m

Dial Color

White

Jewels

33j

Frequency

21,600 bph

Power Reserve

39 hours

Year

1994

Related Models

• Seiko 6674-508
• Seiko 6326-714
• Seiko 6166-315
• Seiko 6381-631
• Seiko 6296-899
• Seiko 6180-418
• Seiko 7148-410
• Seiko 7012-876
• Seiko 6165-171
• Seiko 6299-601
• Seiko 5646-160
• Seiko 4528-553