Seiko Cal. 6188 - 900

The Seiko 6188-900 represents an important milestone in Seiko's 1982 lineup. The Coin-Edge bezel and 42mm case give it a distinctive presence on the wrist. [seikata-wm-c4bfb62620b8]

Also known as: Sumo

Specifications

Movement

Quartz

Case Material

Two-Tone

Case Width

42mm

Case Thickness

11.4mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

40m

Dial Color

Green

Jewels

25j

Frequency

21,600 bph

Power Reserve

56 hours

Year

1982

Related Models

• Seiko 5634-800
• Seiko 6381-467
• Seiko 4530-697
• Seiko 6384-101
• Seiko 0746-451
• Seiko 6352-787
• Seiko 5669-390
• Seiko 6249-891
• Seiko 5212-770
• Seiko 4468-924
• Seiko 7110-476
• Seiko 7171-650