Seiko Cal. 5231 - 252

This Solar model from 1969 features a 35mm PVD Black case. Powered by the 5231 caliber with 30j jewels beating at 36,000 bph, it delivers a 43 hours power reserve. [seikata-wm-1292377b1fe3]

Also known as: Sea Horse

Specifications

Movement

Solar

Case Material

PVD Black

Case Width

35mm

Case Thickness

8.2mm

Lug Width

20mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

40m

Dial Color

Navy

Jewels

30j

Frequency

36,000 bph

Power Reserve

43 hours

Year

1969

Related Models

• Seiko 6180-957
• Seiko 4562-479
• Seiko 7170-350
• Seiko 4426-725
• Seiko 4561-247
• Seiko 6694-404
• Seiko 7152-662
• Seiko 5629-765
• Seiko 6349-868
• Seiko 6359-187
• Seiko 6137-249
• Seiko 7070-425