Seiko Cal. 3828 - 340

The Seiko 3828-340 represents an important milestone in Seiko's 1984 lineup. Powered by the 3828 caliber with 26j jewels beating at 28,800 bph, it delivers a 69 hours power reserve. [seikata-wm-da0445d42d73]

Also known as: Monster, Helmet

Specifications

Movement

Quartz

Case Material

Hardlex-Coated Steel

Case Width

38mm

Case Thickness

15.8mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

70m

Dial Color

Champagne

Jewels

26j

Frequency

28,800 bph

Power Reserve

69 hours

Year

1984

Related Models

• Seiko 6369-413
• Seiko 5637-370
• Seiko 6356-869
• Seiko 6369-832
• Seiko 4472-764
• Seiko 5250-734
• Seiko 7170-993
• Seiko 6375-903
• Seiko 5658-601
• Seiko 5269-462
• Seiko 5267-938
• Seiko 7145-743