Seiko Cal. 6367 - 378

This Automatic model from 1978 features a 40mm Two-Tone case. It features a Green dial protected by a Acrylic crystal and offers 50m of water resistance. [seikata-wm-5a5f5b277797]

Also known as: Sumo, World Timer

Specifications

Movement

Automatic

Case Material

Two-Tone

Case Width

40mm

Case Thickness

11.6mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

50m

Dial Color

Green

Jewels

31j

Frequency

21,600 bph

Power Reserve

68 hours

Year

1978

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