Seiko Cal. 7139 - 256

The 7139-256 is a sought-after Kinetic piece from Seiko's golden era. It features a Blue Sunburst dial protected by a Sapphire crystal and offers 70m of water resistance. [seikata-wm-4b26fcd1948a]

Also known as: Crown

Specifications

Movement

Kinetic

Case Material

Hardlex-Coated Steel

Case Width

39mm

Case Thickness

13.6mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

70m

Dial Color

Blue Sunburst

Jewels

25j

Frequency

36,000 bph

Power Reserve

71 hours

Year

1987

Related Models

• Seiko 0775-450
• Seiko 5274-908
• Seiko 7053-705
• Seiko 4424-770
• Seiko 7086-631
• Seiko 6321-709
• Seiko 6661-263
• Seiko 4467-392
• Seiko 6231-126
• Seiko 5246-294
• Seiko 4517-336
• Seiko 0789-179