Seiko Cal. 5681 - 758

The 5681-758 is a sought-after Quartz piece from Seiko's golden era. Powered by the 5681 caliber with 17j jewels beating at 36,000 bph, it delivers a 66 hours power reserve. [seikata-wm-8115160e7726]

Also known as: Bullhead

Specifications

Movement

Quartz

Case Material

Two-Tone

Case Width

46mm

Case Thickness

12.8mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

30m

Dial Color

Blue Sunburst

Jewels

17j

Frequency

36,000 bph

Power Reserve

66 hours

Year

1974

Related Models

• Seiko 7132-310
• Seiko 7056-825
• Seiko 6226-665
• Seiko 4441-656
• Seiko 0739-198
• Seiko 5231-279
• Seiko 5675-358
• Seiko 5666-330
• Seiko 0719-634
• Seiko 5636-529
• Seiko 5684-642
• Seiko 4486-435