Seiko Cal. 0731 - 492

This Solar model from 1968 features a 37mm PVD Black case. With its 18mm lug width and 13.2mm profile, it sits comfortably on most wrists. [seikata-wm-7037910d1e3d]

Also known as: Bullhead, UFO

Specifications

Movement

Solar

Case Material

PVD Black

Case Width

37mm

Case Thickness

13.2mm

Lug Width

18mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

190m

Dial Color

White

Jewels

21j

Frequency

21,600 bph

Power Reserve

53 hours

Year

1968

Related Models

• Seiko 6266-591
• Seiko 6123-851
• Seiko 7168-141
• Seiko 4542-386
• Seiko 4511-148
• Seiko 6332-767
• Seiko 5674-531
• Seiko 6351-689
• Seiko 7113-895
• Seiko 0776-681
• Seiko 4595-970
• Seiko 6364-747