Seiko Cal. 7178 - 171

The Seiko 7178-171 represents an important milestone in Seiko's 1986 lineup. The Inner Rotating bezel and 36mm case give it a distinctive presence on the wrist. [seikata-wm-745b25cae008]

Also known as: Crown

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

36mm

Case Thickness

8.3mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

80m

Dial Color

Silver

Jewels

27j

Frequency

21,600 bph

Power Reserve

37 hours

Year

1986

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