Seiko Cal. 7156 - 440

The Seiko 7156-440 represents an important milestone in Seiko's 1971 lineup. The Rotating bezel and 46mm case give it a distinctive presence on the wrist. [seikata-wm-eb665f7fd8dd]

Also known as: Crown

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

46mm

Case Thickness

11.4mm

Lug Width

20mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

160m

Dial Color

Champagne

Jewels

27j

Frequency

36,000 bph

Power Reserve

42 hours

Year

1971

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