Seiko Cal. 7188 - 492

This Hand-Winding model from 1978 features a 41mm Two-Tone case. The Coin-Edge bezel and 41mm case give it a distinctive presence on the wrist. [seikata-wm-6b82db288dfe]

Also known as: Helmet

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

41mm

Case Thickness

11.5mm

Lug Width

18mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

100m

Dial Color

Silver

Jewels

31j

Frequency

36,000 bph

Power Reserve

49 hours

Year

1978

Related Models

• Seiko 6283-702
• Seiko 6639-966
• Seiko 0768-193
• Seiko 6122-251
• Seiko 7175-230
• Seiko 5665-480
• Seiko 4471-453
• Seiko 3843-624
• Seiko 7071-141
• Seiko 4552-936
• Seiko 4551-692
• Seiko 5614-351