Seiko Cal. 3818 - 349

The Seiko 3818-349 represents an important milestone in Seiko's 1974 lineup. It features a Champagne dial protected by a Sapphire crystal and offers 40m of water resistance. [seikata-wm-80a9c2937a34]

Also known as: Sumo, Sportsmatic

Specifications

Movement

Solar

Case Material

Hardlex-Coated Steel

Case Width

46mm

Case Thickness

13.0mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

40m

Dial Color

Champagne

Jewels

28j

Frequency

21,600 bph

Power Reserve

54 hours

Year

1974

Related Models

• Seiko 7137-488
• Seiko 4452-662
• Seiko 4424-716
• Seiko 4463-683
• Seiko 6238-785
• Seiko 7118-189
• Seiko 3873-491
• Seiko 4580-567
• Seiko 0719-372
• Seiko 7031-220
• Seiko 6647-114
• Seiko 7062-543