Seiko Cal. 3858 - 437

Released in 1990, the Cal. 3858 with design code 437 was part of Seiko's domestic market collection. It features a Navy dial protected by a Hardlex crystal and offers 160m of water resistance. [seikata-wm-2bb7790ba11b]

Also known as: Sportsmatic, Baby Tuna

Specifications

Movement

Quartz

Case Material

Two-Tone

Case Width

41mm

Case Thickness

9.9mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

160m

Dial Color

Navy

Jewels

17j

Frequency

21,600 bph

Power Reserve

38 hours

Year

1990

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