Seiko Cal. 0747 - 390

This Spring Drive model from 1986 features a 40mm Two-Tone case. It features a Silver dial protected by a Mineral crystal and offers 200m of water resistance. [seikata-wm-5f3f418afeda]

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

40mm

Case Thickness

11.0mm

Lug Width

20mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

200m

Dial Color

Silver

Jewels

25j

Frequency

28,800 bph

Power Reserve

52 hours

Year

1986

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