Seiko Cal. 7187 - 328

The Seiko 7187-328 represents an important milestone in Seiko's 1986 lineup. With its 21mm lug width and 14.2mm profile, it sits comfortably on most wrists. [seikata-wm-84522646fa57]

Also known as: Sumo, Bullhead

Specifications

Movement

Automatic

Case Material

Two-Tone

Case Width

37mm

Case Thickness

14.2mm

Lug Width

21mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

160m

Dial Color

Green

Jewels

31j

Frequency

21,600 bph

Power Reserve

58 hours

Year

1986

Related Models

• Seiko 7042-854
• Seiko 3819-447
• Seiko 6166-290
• Seiko 0758-217
• Seiko 6370-658
• Seiko 7087-550
• Seiko 0739-558
• Seiko 6222-578
• Seiko 6277-221
• Seiko 7158-933
• Seiko 4540-548
• Seiko 7026-109