Seiko Cal. 4537 - 549

This Quartz model from 1988 features a 38mm PVD Black case. The Inner Rotating bezel and 38mm case give it a distinctive presence on the wrist. [seikata-wm-12a0bc9fefd8]

Also known as: Bullhead, Emperor

Specifications

Movement

Quartz

Case Material

PVD Black

Case Width

38mm

Case Thickness

11.3mm

Lug Width

21mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

160m

Dial Color

Black

Jewels

36j

Frequency

21,600 bph

Power Reserve

44 hours

Year

1988

Related Models

• Seiko 4439-725
• Seiko 6652-792
• Seiko 3840-667
• Seiko 6624-335
• Seiko 3851-267
• Seiko 3875-533
• Seiko 7112-782
• Seiko 7190-177
• Seiko 6635-808
• Seiko 6168-140
• Seiko 5687-223
• Seiko 6275-236