Seiko Cal. 3850 - 913

The Seiko 3850-913 represents an important milestone in Seiko's 1975 lineup. It features a Green dial protected by a Sapphire crystal and offers 160m of water resistance. [seikata-wm-1898bddd131e]

Also known as: Helmet, Golden Tuna

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

44mm

Case Thickness

11.8mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

160m

Dial Color

Green

Jewels

31j

Frequency

28,800 bph

Power Reserve

45 hours

Year

1975

Related Models

• Seiko 5698-366
• Seiko 6289-946
• Seiko 4539-993
• Seiko 7113-569
• Seiko 5674-820
• Seiko 4525-600
• Seiko 0792-410
• Seiko 3889-250
• Seiko 4410-840
• Seiko 6258-543
• Seiko 7166-682
• Seiko 3871-687