Seiko Cal. 3877 - 609

This Solar model from 1971 features a 45mm Two-Tone case. It features a Black dial protected by a Hardlex crystal and offers 40m of water resistance. [seikata-wm-10d845cffa3f]

Also known as: Monster

Specifications

Movement

Solar

Case Material

Two-Tone

Case Width

45mm

Case Thickness

8.3mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

40m

Dial Color

Black

Jewels

25j

Frequency

36,000 bph

Power Reserve

36 hours

Year

1971

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