Seiko Cal. 5231 - 435

The 5231-435 is a sought-after Solar piece from Seiko's golden era. Powered by the 5231 caliber with 17j jewels beating at 28,800 bph, it delivers a 36 hours power reserve. [seikata-wm-831b68d40659]

Also known as: Sportsmatic, Crown

Specifications

Movement

Solar

Case Material

Two-Tone

Case Width

35mm

Case Thickness

11.6mm

Lug Width

18mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

140m

Dial Color

White

Jewels

17j

Frequency

28,800 bph

Power Reserve

36 hours

Year

1999

Related Models

• Seiko 6357-909
• Seiko 4471-624
• Seiko 7198-507
• Seiko 5258-267
• Seiko 7150-813
• Seiko 6211-548
• Seiko 6229-573
• Seiko 7017-745
• Seiko 7114-517
• Seiko 6618-496
• Seiko 3814-652
• Seiko 4558-242