Seiko Cal. 3870 - 835

The Seiko 3870-835 represents an important milestone in Seiko's 1967 lineup. It features a Navy dial protected by a Mineral crystal and offers 150m of water resistance. [seikata-wm-e4e311a2e61d]

Also known as: Monster, Bullhead

Specifications

Movement

Quartz

Case Material

PVD Black

Case Width

46mm

Case Thickness

14.3mm

Lug Width

21mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

150m

Dial Color

Navy

Jewels

36j

Frequency

36,000 bph

Power Reserve

38 hours

Year

1967

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