Seiko Cal. 3887 - 924

The Seiko 3887-924 represents an important milestone in Seiko's 1974 lineup. It features a White dial protected by a Sapphire crystal and offers 90m of water resistance. [seikata-wm-9ed8a7ef2f66]

Also known as: Sportsmatic

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

41mm

Case Thickness

13.4mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

90m

Dial Color

White

Jewels

33j

Frequency

36,000 bph

Power Reserve

68 hours

Year

1974

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