Seiko Cal. 7156 - 439

The Seiko 7156-439 represents an important milestone in Seiko's 1980 lineup. Powered by the 7156 caliber with 28j jewels beating at 28,800 bph, it delivers a 39 hours power reserve. [seikata-wm-da6c6c670ab6]

Also known as: Silverwave

Specifications

Movement

Hand-Winding

Case Material

Gold-Plated

Case Width

44mm

Case Thickness

8.3mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

110m

Dial Color

Burgundy

Jewels

28j

Frequency

28,800 bph

Power Reserve

39 hours

Year

1980

Related Models

• Seiko 3861-975
• Seiko 6397-987
• Seiko 6289-683
• Seiko 4590-391
• Seiko 6398-874
• Seiko 0748-796
• Seiko 3844-657
• Seiko 0725-171
• Seiko 4552-720
• Seiko 7020-684
• Seiko 5680-963
• Seiko 7198-507