Seiko Cal. 7156 - 682

Released in 1981, the Cal. 7156 with design code 682 was part of Seiko's domestic market collection. It features a Cream dial protected by a Hardlex crystal and offers 40m of water resistance. [seikata-wm-5b8463510386]

Also known as: Sumo, Baby Tuna

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

35mm

Case Thickness

9.8mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

40m

Dial Color

Cream

Jewels

28j

Frequency

28,800 bph

Power Reserve

70 hours

Year

1981

Related Models

• Seiko 6398-285
• Seiko 6241-156
• Seiko 5659-896
• Seiko 5290-345
• Seiko 5280-109
• Seiko 7113-663
• Seiko 6647-990
• Seiko 3877-436
• Seiko 6314-639
• Seiko 6343-525
• Seiko 6662-619
• Seiko 7025-199