Seiko Cal. 7161 - 254

This Spring Drive model from 1978 features a 42mm PVD Black case. With its 22mm lug width and 9.2mm profile, it sits comfortably on most wrists. [seikata-wm-ade5ab1d65df]

Also known as: Monster

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

42mm

Case Thickness

9.2mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

190m

Dial Color

Black

Jewels

34j

Frequency

36,000 bph

Power Reserve

59 hours

Year

1978

Related Models

• Seiko 3818-813
• Seiko 6283-794
• Seiko 6635-871
• Seiko 7169-948
• Seiko 6335-966
• Seiko 7058-974
• Seiko 5634-553
• Seiko 4448-497
• Seiko 6154-839
• Seiko 0747-705
• Seiko 0763-725
• Seiko 5246-627