Seiko Cal. 3884 - 257

This Spring Drive model from 1987 features a 40mm Stainless Steel case. It features a Silver dial protected by a Sapphire crystal and offers 160m of water resistance. [seikata-wm-a4ae19b85039]

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

40mm

Case Thickness

13.3mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

160m

Dial Color

Silver

Jewels

23j

Frequency

28,800 bph

Power Reserve

59 hours

Year

1987

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