Seiko Cal. 7156 - 129

Released in 1973, the Cal. 7156 with design code 129 was part of Seiko's domestic market collection. The Bidirectional bezel and 39mm case give it a distinctive presence on the wrist. [seikata-wm-0ccc25fcfed5]

Also known as: Sumo

Specifications

Movement

Automatic

Case Material

Two-Tone

Case Width

39mm

Case Thickness

15.2mm

Lug Width

19mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

120m

Dial Color

Champagne

Jewels

20j

Frequency

28,800 bph

Power Reserve

54 hours

Year

1973

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