Seiko Cal. 6387 - 161

This Solar model from 1972 features a 41mm PVD Black case. It features a Navy dial protected by a Acrylic crystal and offers 40m of water resistance. [seikata-wm-c32a1f678d57]

Also known as: Sumo, UFO

Specifications

Movement

Solar

Case Material

PVD Black

Case Width

41mm

Case Thickness

8.5mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

40m

Dial Color

Navy

Jewels

22j

Frequency

28,800 bph

Power Reserve

55 hours

Year

1972

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