Seiko Cal. 6656 - 834

This Hand-Winding model from 1991 features a 37mm Two-Tone case. Powered by the 6656 caliber with 36j jewels beating at 36,000 bph, it delivers a 45 hours power reserve. [seikata-wm-9f16e41f3b31]

Also known as: Tuna, UFO

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

37mm

Case Thickness

8.3mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

70m

Dial Color

White

Jewels

36j

Frequency

36,000 bph

Power Reserve

45 hours

Year

1991

Related Models

• Seiko 3838-811
• Seiko 7149-133
• Seiko 6125-729
• Seiko 5645-918
• Seiko 6224-391
• Seiko 5283-391
• Seiko 6116-983
• Seiko 4577-288
• Seiko 4588-222
• Seiko 7193-671
• Seiko 5218-103
• Seiko 5237-267