Seiko Cal. 5231 - 951

The Seiko 5231-951 represents an important milestone in Seiko's 1978 lineup. It features a Black dial protected by a Sapphire crystal and offers 130m of water resistance. [seikata-wm-d79263da9f59]

Also known as: Monster, Panda

Specifications

Movement

Solar

Case Material

Stainless Steel

Case Width

45mm

Case Thickness

15.1mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

130m

Dial Color

Black

Jewels

24j

Frequency

36,000 bph

Power Reserve

59 hours

Year

1978

Related Models

• Seiko 5669-151
• Seiko 6631-271
• Seiko 6356-707
• Seiko 7191-223
• Seiko 6311-364
• Seiko 5228-416
• Seiko 3847-830
• Seiko 0738-948
• Seiko 4519-804
• Seiko 0786-854
• Seiko 6272-606
• Seiko 4453-852