Seiko Cal. 6656 - 762

The Seiko 6656-762 represents an important milestone in Seiko's 1988 lineup. Powered by the 6656 caliber with 33j jewels beating at 21,600 bph, it delivers a 47 hours power reserve. [seikata-wm-7e154e5bf54a]

Also known as: Tuna, Helmet

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

35mm

Case Thickness

10.0mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

120m

Dial Color

Burgundy

Jewels

33j

Frequency

21,600 bph

Power Reserve

47 hours

Year

1988

Related Models

• Seiko 4595-318
• Seiko 3873-470
• Seiko 4458-929
• Seiko 6311-923
• Seiko 7084-129
• Seiko 0756-144
• Seiko 5225-845
• Seiko 3861-189
• Seiko 6157-278
• Seiko 5628-240
• Seiko 4437-432
• Seiko 3879-526