Seiko Cal. 5660 - 703

This Hand-Winding model from 1999 features a 37mm PVD Black case. The Coin-Edge bezel and 37mm case give it a distinctive presence on the wrist. [seikata-wm-3ee3b3d0d0dd]

Also known as: Silverwave, Baby Tuna

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

37mm

Case Thickness

11.1mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

100m

Dial Color

Black

Jewels

27j

Frequency

28,800 bph

Power Reserve

38 hours

Year

1999

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