Seiko Cal. 7156 - 855

This Solar model from 1969 features a 38mm Two-Tone case. The Fixed bezel and 38mm case give it a distinctive presence on the wrist. [seikata-wm-68925eb68cd6]

Also known as: Tuna, World Timer

Specifications

Movement

Solar

Case Material

Two-Tone

Case Width

38mm

Case Thickness

15.8mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

50m

Dial Color

Navy

Jewels

31j

Frequency

28,800 bph

Power Reserve

37 hours

Year

1969

Related Models

• Seiko 6658-430
• Seiko 6120-889
• Seiko 6326-687
• Seiko 3832-254
• Seiko 7054-944
• Seiko 3877-474
• Seiko 7114-702
• Seiko 6128-145
• Seiko 0730-136
• Seiko 5669-807
• Seiko 6237-345
• Seiko 6171-818