Seiko Cal. 6140 - 344

This Hand-Winding model from 1985 features a 44mm Hardlex-Coated Steel case. It features a Cream dial protected by a Mineral crystal and offers 120m of water resistance. [seikata-wm-16b43b0f26ba]

Also known as: Tuna, Bullhead

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

44mm

Case Thickness

9.6mm

Lug Width

18mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

120m

Dial Color

Cream

Jewels

22j

Frequency

21,600 bph

Power Reserve

54 hours

Year

1985

Related Models

• Seiko 6340-142
• Seiko 4447-952
• Seiko 5294-752
• Seiko 5615-469
• Seiko 0721-336
• Seiko 5664-673
• Seiko 6649-509
• Seiko 3830-287
• Seiko 4538-679
• Seiko 6296-555
• Seiko 4568-790
• Seiko 4547-303