Seiko Cal. 6181 - 399

This Automatic model from 1987 features a 41mm Titanium case. Powered by the 6181 caliber with 19j jewels beating at 36,000 bph, it delivers a 71 hours power reserve. [seikata-wm-d5b3ed93bae5]

Also known as: Golden Tuna

Specifications

Movement

Automatic

Case Material

Titanium

Case Width

41mm

Case Thickness

8.9mm

Lug Width

18mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

180m

Dial Color

White

Jewels

19j

Frequency

36,000 bph

Power Reserve

71 hours

Year

1987

Related Models

• Seiko 5634-451
• Seiko 3890-682
• Seiko 6223-233
• Seiko 4510-932
• Seiko 5258-338
• Seiko 0785-942
• Seiko 6611-834
• Seiko 0740-350
• Seiko 3828-176
• Seiko 6238-900
• Seiko 4515-951
• Seiko 6375-936