Seiko Cal. 3856 - 777

The Seiko 3856-777 represents an important milestone in Seiko's 1970 lineup. The Coin-Edge bezel and 38mm case give it a distinctive presence on the wrist. [seikata-wm-ece687e13b89]

Also known as: Golden Tuna

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

38mm

Case Thickness

8.2mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

70m

Dial Color

Cream

Jewels

36j

Frequency

21,600 bph

Power Reserve

46 hours

Year

1970

Related Models

• Seiko 7024-392
• Seiko 7169-899
• Seiko 4432-384
• Seiko 6195-656
• Seiko 6697-167
• Seiko 6394-539
• Seiko 6249-599
• Seiko 7083-361
• Seiko 5664-762
• Seiko 5269-380
• Seiko 4442-242
• Seiko 6683-680