Seiko Cal. 0731 - 189

This Hand-Winding model from 1999 features a 46mm Two-Tone case. It features a Green dial protected by a Mineral crystal and offers 100m of water resistance. [seikata-wm-84667f4a6f71]

Also known as: Silverwave, Sea Horse

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

46mm

Case Thickness

9.6mm

Lug Width

20mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

100m

Dial Color

Green

Jewels

35j

Frequency

36,000 bph

Power Reserve

51 hours

Year

1999

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