Seiko Cal. 3857 - 706

The Seiko 3857-706 represents an important milestone in Seiko's 1985 lineup. With its 22mm lug width and 9.2mm profile, it sits comfortably on most wrists. [seikata-wm-a10d961d0337]

Also known as: Sumo, Golden Tuna

Specifications

Movement

Automatic

Case Material

Gold-Plated

Case Width

35mm

Case Thickness

9.2mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

200m

Dial Color

Silver

Jewels

25j

Frequency

36,000 bph

Power Reserve

39 hours

Year

1985

Related Models

• Seiko 0766-918
• Seiko 5670-255
• Seiko 6640-164
• Seiko 0768-754
• Seiko 6354-643
• Seiko 5661-218
• Seiko 6281-329
• Seiko 4513-456
• Seiko 4555-304
• Seiko 5638-933
• Seiko 7064-896
• Seiko 0743-983