Seiko Cal. 7139 - 899

This Solar model from 1987 features a 45mm PVD Black case. Powered by the 7139 caliber with 18j jewels beating at 28,800 bph, it delivers a 44 hours power reserve. [seikata-wm-0d14725cce1d]

Also known as: Helmet

Specifications

Movement

Solar

Case Material

PVD Black

Case Width

45mm

Case Thickness

13.6mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

170m

Dial Color

Green

Jewels

18j

Frequency

28,800 bph

Power Reserve

44 hours

Year

1987

Related Models

• Seiko 7174-650
• Seiko 4451-141
• Seiko 5226-508
• Seiko 5678-707
• Seiko 5647-281
• Seiko 7165-340
• Seiko 4583-485
• Seiko 7026-496
• Seiko 4486-278
• Seiko 5637-622
• Seiko 4414-879
• Seiko 3818-708