Seiko Cal. 3870 - 835

Released in 1973, the Cal. 3870 with design code 835 was part of Seiko's domestic market collection. It features a Silver dial protected by a Hardlex crystal and offers 90m of water resistance. [seikata-wm-ffe4fbcc6b10]

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

37mm

Case Thickness

12.9mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

90m

Dial Color

Silver

Jewels

30j

Frequency

36,000 bph

Power Reserve

72 hours

Year

1973

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