Seiko Cal. 5676 - 158

The 5676-158 is a sought-after Hand-Winding piece from Seiko's golden era. Powered by the 5676 caliber with 36j jewels beating at 28,800 bph, it delivers a 37 hours power reserve. [seikata-wm-34143cefb0e2]

Also known as: Sportsmatic, Baby Tuna

Specifications

Movement

Hand-Winding

Case Material

Gold-Plated

Case Width

36mm

Case Thickness

15.1mm

Lug Width

20mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

40m

Dial Color

Cream

Jewels

36j

Frequency

28,800 bph

Power Reserve

37 hours

Year

1979

Related Models

• Seiko 0732-753
• Seiko 6680-733
• Seiko 4477-338
• Seiko 3855-415
• Seiko 6174-514
• Seiko 4534-424
• Seiko 7098-634
• Seiko 7027-987
• Seiko 5243-982
• Seiko 4475-404
• Seiko 7035-322
• Seiko 7075-228