Seiko Cal. 6618 - 230

The Seiko 6618-230 represents an important milestone in Seiko's 1984 lineup. The Inner Rotating bezel and 34mm case give it a distinctive presence on the wrist. [seikata-wm-012cb33abe09]

Also known as: Crown

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

34mm

Case Thickness

12.5mm

Lug Width

21mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

40m

Dial Color

White

Jewels

36j

Frequency

28,800 bph

Power Reserve

37 hours

Year

1984

Related Models

• Seiko 4456-239
• Seiko 4575-484
• Seiko 6351-963
• Seiko 7036-671
• Seiko 0777-200
• Seiko 4587-180
• Seiko 6395-208
• Seiko 3883-447
• Seiko 6364-818
• Seiko 7134-817
• Seiko 5237-201
• Seiko 6253-952