Seiko Cal. 6340 - 850

This Hand-Winding model from 1990 features a 44mm Titanium case. Powered by the 6340 caliber with 36j jewels beating at 28,800 bph, it delivers a 65 hours power reserve. [seikata-wm-914e3d02c937]

Also known as: Bullhead, Golden Tuna

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

44mm

Case Thickness

13.7mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

130m

Dial Color

White

Jewels

36j

Frequency

28,800 bph

Power Reserve

65 hours

Year

1990

Related Models

• Seiko 4526-977
• Seiko 6666-256
• Seiko 4488-246
• Seiko 5275-164
• Seiko 5263-903
• Seiko 5676-999
• Seiko 6695-674
• Seiko 6652-345
• Seiko 4557-624
• Seiko 7149-302
• Seiko 0738-548
• Seiko 7084-416