Seiko Cal. 3877 - 421

This Quartz model from 1970 features a 39mm PVD Black case. It features a Burgundy dial protected by a Sapphire crystal and offers 60m of water resistance. [seikata-wm-c85d08c55596]

Also known as: Baby Tuna, Emperor

Specifications

Movement

Quartz

Case Material

PVD Black

Case Width

39mm

Case Thickness

8.0mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

60m

Dial Color

Burgundy

Jewels

25j

Frequency

21,600 bph

Power Reserve

70 hours

Year

1970

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