Seiko Cal. 6139 - 284

This Solar model from 1978 features a 42mm Stainless Steel case. Powered by the 6139 caliber with 36j jewels beating at 28,800 bph, it delivers a 51 hours power reserve. [seikata-wm-afe1cfb7b7b3]

Also known as: Monster, Golden Tuna

Specifications

Movement

Solar

Case Material

Stainless Steel

Case Width

42mm

Case Thickness

8.3mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

200m

Dial Color

Cream

Jewels

36j

Frequency

28,800 bph

Power Reserve

51 hours

Year

1978

Related Models

• Seiko 3870-840
• Seiko 6264-273
• Seiko 4573-819
• Seiko 7073-335
• Seiko 4421-863
• Seiko 7187-316
• Seiko 6164-412
• Seiko 6368-868
• Seiko 5611-932
• Seiko 6689-683
• Seiko 4453-966
• Seiko 3857-903