Seiko Cal. 3874 - 812

The Seiko 3874-812 represents an important milestone in Seiko's 1965 lineup. It features a Burgundy dial protected by a Mineral crystal and offers 90m of water resistance. [seikata-wm-aefb7b22deea]

Also known as: Monster, Bellmatic

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

44mm

Case Thickness

10.6mm

Lug Width

22mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

90m

Dial Color

Burgundy

Jewels

32j

Frequency

36,000 bph

Power Reserve

67 hours

Year

1965

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