Seiko Cal. 7156 - 103

The Seiko 7156-103 represents an important milestone in Seiko's 1977 lineup. The Bidirectional bezel and 45mm case give it a distinctive presence on the wrist. [seikata-wm-d3af2dfa63d8]

Specifications

Movement

Hand-Winding

Case Material

Stainless Steel

Case Width

45mm

Case Thickness

8.3mm

Lug Width

18mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

120m

Dial Color

Champagne

Jewels

28j

Frequency

36,000 bph

Power Reserve

37 hours

Year

1977

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