Seiko Cal. 3894 - 256

The Seiko 3894-256 represents an important milestone in Seiko's 1981 lineup. The Bidirectional bezel and 40mm case give it a distinctive presence on the wrist. [seikata-wm-ba5448ab3e3c]

Also known as: Tuna, Flighty

Specifications

Movement

Kinetic

Case Material

PVD Black

Case Width

40mm

Case Thickness

9.0mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

180m

Dial Color

White

Jewels

29j

Frequency

36,000 bph

Power Reserve

50 hours

Year

1981

Related Models

• Seiko 6111-845
• Seiko 5676-434
• Seiko 4583-731
• Seiko 6375-461
• Seiko 6624-197
• Seiko 6362-182
• Seiko 6257-335
• Seiko 4570-673
• Seiko 4476-109
• Seiko 4465-213
• Seiko 6686-706
• Seiko 6381-194