Seiko Cal. 3818 - 697

The 3818-697 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 3818 caliber with 20j jewels beating at 36,000 bph, it delivers a 47 hours power reserve. [seikata-wm-2cb5cccc0ab9]

Also known as: Monster

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

44mm

Case Thickness

8.3mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

50m

Dial Color

Blue Sunburst

Jewels

20j

Frequency

36,000 bph

Power Reserve

47 hours

Year

1986

Related Models

• Seiko 5679-242
• Seiko 6186-275
• Seiko 6265-801
• Seiko 6625-431
• Seiko 6196-838
• Seiko 7037-128
• Seiko 6674-758
• Seiko 7168-132
• Seiko 6114-607
• Seiko 0744-562
• Seiko 0746-915
• Seiko 0766-882