Seiko Cal. 7078 - 139

This Quartz model from 1966 features a 36mm Two-Tone case. The Coin-Edge bezel and 36mm case give it a distinctive presence on the wrist. [seikata-wm-025e99807310]

Also known as: Helmet

Specifications

Movement

Quartz

Case Material

Two-Tone

Case Width

36mm

Case Thickness

9.6mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

110m

Dial Color

Green

Jewels

35j

Frequency

28,800 bph

Power Reserve

72 hours

Year

1966

Related Models

• Seiko 7012-513
• Seiko 7036-930
• Seiko 4485-138
• Seiko 4420-252
• Seiko 6298-750
• Seiko 5626-632
• Seiko 7196-362
• Seiko 4454-604
• Seiko 7137-988
• Seiko 6378-297
• Seiko 4536-521
• Seiko 3861-996