Seiko Cal. 5681 - 181

The Seiko 5681-181 represents an important milestone in Seiko's 1978 lineup. The Inner Rotating bezel and 34mm case give it a distinctive presence on the wrist. [seikata-wm-0784754e9e51]

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

34mm

Case Thickness

13.1mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

200m

Dial Color

Silver

Jewels

36j

Frequency

28,800 bph

Power Reserve

65 hours

Year

1978

Related Models

• Seiko 6317-198
• Seiko 5216-233
• Seiko 7093-885
• Seiko 6237-682
• Seiko 6145-918
• Seiko 6198-649
• Seiko 5241-622
• Seiko 6126-112
• Seiko 6633-692
• Seiko 5631-250
• Seiko 0757-229
• Seiko 6638-750