Seiko Cal. 7156 - 664

The Seiko 7156-664 represents an important milestone in Seiko's 1990 lineup. Powered by the 7156 caliber with 18j jewels beating at 21,600 bph, it delivers a 70 hours power reserve. [seikata-wm-0634d813cae9]

Also known as: Goldfeather

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

44mm

Case Thickness

12.2mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

170m

Dial Color

Black

Jewels

18j

Frequency

21,600 bph

Power Reserve

70 hours

Year

1990

Related Models

• Seiko 6620-512
• Seiko 3884-924
• Seiko 3893-845
• Seiko 4596-581
• Seiko 7132-122
• Seiko 4584-282
• Seiko 6680-135
• Seiko 6643-565
• Seiko 5649-995
• Seiko 6328-522
• Seiko 4453-340
• Seiko 6315-249