Seiko Cal. 4531 - 770

This Quartz model from 1982 features a 36mm Stainless Steel case. Powered by the 4531 caliber with 22j jewels beating at 28,800 bph, it delivers a 44 hours power reserve. [seikata-wm-07592063e223]

Also known as: Bullhead

Specifications

Movement

Quartz

Case Material

Stainless Steel

Case Width

36mm

Case Thickness

8.0mm

Lug Width

22mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

170m

Dial Color

Blue Sunburst

Jewels

22j

Frequency

28,800 bph

Power Reserve

44 hours

Year

1982

Related Models

• Seiko 5613-445
• Seiko 4482-301
• Seiko 7145-193
• Seiko 6652-535
• Seiko 4498-746
• Seiko 4519-106
• Seiko 5220-739
• Seiko 7189-276
• Seiko 4410-646
• Seiko 6193-399
• Seiko 6359-922
• Seiko 6222-255