Seiko Cal. 3843 - 140

The Seiko 3843-140 represents an important milestone in Seiko's 1977 lineup. Powered by the 3843 caliber with 30j jewels beating at 36,000 bph, it delivers a 62 hours power reserve. [seikata-wm-00c3cb132053]

Also known as: Monster, Sea Horse

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

42mm

Case Thickness

10.6mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

140m

Dial Color

Navy

Jewels

30j

Frequency

36,000 bph

Power Reserve

62 hours

Year

1977

Related Models

• Seiko 6345-423
• Seiko 6360-831
• Seiko 5249-818
• Seiko 3816-808
• Seiko 6184-384
• Seiko 5267-962
• Seiko 3872-253
• Seiko 0747-825
• Seiko 7176-400
• Seiko 5675-360
• Seiko 4456-574
• Seiko 6293-886