Seiko Cal. 3840 - 118

The Seiko 3840-118 represents an important milestone in Seiko's 1999 lineup. Powered by the 3840 caliber with 31j jewels beating at 21,600 bph, it delivers a 48 hours power reserve. [seikata-wm-4448cf28c6db]

Also known as: Helmet

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

38mm

Case Thickness

13.9mm

Lug Width

19mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

140m

Dial Color

Black

Jewels

31j

Frequency

21,600 bph

Power Reserve

48 hours

Year

1999

Related Models

• Seiko 7046-174
• Seiko 5680-741
• Seiko 0734-388
• Seiko 4579-803
• Seiko 6237-519
• Seiko 6648-979
• Seiko 6257-701
• Seiko 5253-136
• Seiko 3818-406
• Seiko 4514-412
• Seiko 5627-587
• Seiko 6256-936