Seiko Cal. 5212 - 831

The 5212-831 is a sought-after Spring Drive piece from Seiko's golden era. It features a Green dial protected by a Sapphire crystal and offers 190m of water resistance. [seikata-wm-6af93c0c0725]

Also known as: Helmet, World Timer

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

37mm

Case Thickness

14.9mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

190m

Dial Color

Green

Jewels

19j

Frequency

36,000 bph

Power Reserve

64 hours

Year

1974

Related Models

• Seiko 4490-768
• Seiko 5246-242
• Seiko 0768-107
• Seiko 5671-769
• Seiko 6120-542
• Seiko 7014-508
• Seiko 7162-679
• Seiko 3872-487
• Seiko 5290-973
• Seiko 6292-748
• Seiko 6234-472
• Seiko 4562-644