Seiko Cal. 7156 - 188

The 7156-188 is a sought-after Spring Drive piece from Seiko's golden era. It features a Green dial protected by a Acrylic crystal and offers 70m of water resistance. [seikata-wm-1babafacab02]

Also known as: Tuna

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

44mm

Case Thickness

15.4mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

70m

Dial Color

Green

Jewels

33j

Frequency

36,000 bph

Power Reserve

44 hours

Year

1979

Related Models

• Seiko 7159-710
• Seiko 6121-932
• Seiko 0763-572
• Seiko 0753-637
• Seiko 5699-890
• Seiko 6343-840
• Seiko 4578-560
• Seiko 7134-384
• Seiko 5656-516
• Seiko 4551-141
• Seiko 4457-531
• Seiko 7040-865