Seiko Cal. 4537 - 530

This Spring Drive model from 1982 features a 37mm Titanium case. Powered by the 4537 caliber with 34j jewels beating at 21,600 bph, it delivers a 56 hours power reserve. [seikata-wm-3f9ef3e3ba50]

Also known as: Bullhead

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

37mm

Case Thickness

10.9mm

Lug Width

21mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

110m

Dial Color

Navy

Jewels

34j

Frequency

21,600 bph

Power Reserve

56 hours

Year

1982

Related Models

• Seiko 4477-300
• Seiko 6237-445
• Seiko 7135-794
• Seiko 4572-191
• Seiko 4595-221
• Seiko 5250-170
• Seiko 5628-723
• Seiko 7036-947
• Seiko 6244-332
• Seiko 0735-504
• Seiko 6690-680
• Seiko 0758-841