Seiko Cal. 3840 - 999

The 3840-999 is a sought-after Solar piece from Seiko's golden era. The Coin-Edge bezel and 40mm case give it a distinctive presence on the wrist. [seikata-wm-fac792ac0e2b]

Also known as: Sea Horse

Specifications

Movement

Solar

Case Material

Hardlex-Coated Steel

Case Width

40mm

Case Thickness

10.5mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

100m

Dial Color

Cream

Jewels

18j

Frequency

21,600 bph

Power Reserve

44 hours

Year

1980

Related Models

• Seiko 4485-394
• Seiko 0792-964
• Seiko 7199-386
• Seiko 7135-801
• Seiko 6368-981
• Seiko 5280-718
• Seiko 6280-508
• Seiko 7135-919
• Seiko 4584-663
• Seiko 0750-951
• Seiko 0711-371
• Seiko 5294-897