Seiko Cal. 6618 - 881

The 6618-881 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 6618 caliber with 25j jewels beating at 21,600 bph, it delivers a 54 hours power reserve. [seikata-wm-da6613f73158]

Also known as: Monster

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

44mm

Case Thickness

11.7mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

190m

Dial Color

Black

Jewels

25j

Frequency

21,600 bph

Power Reserve

54 hours

Year

1973

Related Models

• Seiko 5666-728
• Seiko 6222-517
• Seiko 6132-391
• Seiko 0738-903
• Seiko 7051-741
• Seiko 6342-736
• Seiko 0798-221
• Seiko 0757-306
• Seiko 7165-835
• Seiko 7180-508
• Seiko 4470-379
• Seiko 0729-316