Seiko Cal. 7137 - 648

The 7137-648 is a sought-after Automatic piece from Seiko's golden era. Powered by the 7137 caliber with 30j jewels beating at 28,800 bph, it delivers a 43 hours power reserve. [seikata-wm-696ea81a3fbb]

Also known as: Monster

Specifications

Movement

Automatic

Case Material

Two-Tone

Case Width

35mm

Case Thickness

13.3mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

80m

Dial Color

Cream

Jewels

30j

Frequency

28,800 bph

Power Reserve

43 hours

Year

1983

Related Models

• Seiko 7173-730
• Seiko 0710-678
• Seiko 6133-404
• Seiko 3828-952
• Seiko 7017-527
• Seiko 6337-100
• Seiko 5266-864
• Seiko 0768-677
• Seiko 5683-975
• Seiko 4431-449
• Seiko 0792-507
• Seiko 4420-359