Seiko Cal. 7156 - 650

The 7156-650 is a sought-after Spring Drive piece from Seiko's golden era. It features a Burgundy dial protected by a Acrylic crystal and offers 160m of water resistance. [seikata-wm-6204d9b0dab0]

Also known as: Baby Tuna

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

40mm

Case Thickness

13.5mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

160m

Dial Color

Burgundy

Jewels

34j

Frequency

28,800 bph

Power Reserve

72 hours

Year

1975

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