Seiko Cal. 3812 - 900

The 3812-900 is a sought-after Hand-Winding piece from Seiko's golden era. Powered by the 3812 caliber with 30j jewels beating at 36,000 bph, it delivers a 71 hours power reserve. [seikata-wm-56e45f0a4374]

Also known as: Turtle

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

42mm

Case Thickness

12.9mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

40m

Dial Color

Navy

Jewels

30j

Frequency

36,000 bph

Power Reserve

71 hours

Year

1992

Related Models

• Seiko 7046-907
• Seiko 4577-766
• Seiko 6261-608
• Seiko 5218-367
• Seiko 7195-346
• Seiko 5699-843
• Seiko 6115-550
• Seiko 7147-334
• Seiko 7148-346
• Seiko 4543-560
• Seiko 6656-465
• Seiko 4529-916