Seiko Cal. 5231 - 797

The 5231-797 is a sought-after Quartz piece from Seiko's golden era. Powered by the 5231 caliber with 20j jewels beating at 28,800 bph, it delivers a 40 hours power reserve. [seikata-wm-5d6a9354d523]

Also known as: Sumo

Specifications

Movement

Quartz

Case Material

Gold-Plated

Case Width

45mm

Case Thickness

10.6mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

50m

Dial Color

Burgundy

Jewels

20j

Frequency

28,800 bph

Power Reserve

40 hours

Year

1981

Related Models

• Seiko 5261-637
• Seiko 6225-275
• Seiko 5258-500
• Seiko 6240-421
• Seiko 4440-971
• Seiko 7163-911
• Seiko 4584-101
• Seiko 7064-180
• Seiko 6128-755
• Seiko 3827-157
• Seiko 6289-869
• Seiko 6338-929