Seiko Cal. 0740 - 817

The Seiko 0740-817 represents an important milestone in Seiko's 1987 lineup. The Inner Rotating bezel and 39mm case give it a distinctive presence on the wrist. [seikata-wm-e2a9acef2db6]

Also known as: Tuna, Goldfeather

Specifications

Movement

Solar

Case Material

PVD Black

Case Width

39mm

Case Thickness

9.0mm

Lug Width

19mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

180m

Dial Color

White

Jewels

19j

Frequency

28,800 bph

Power Reserve

57 hours

Year

1987

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