Seiko Cal. 6687 - 869

This Quartz model from 1976 features a 40mm Two-Tone case. The Bidirectional bezel and 40mm case give it a distinctive presence on the wrist. [seikata-wm-e580cb566e25]

Also known as: Sumo

Specifications

Movement

Quartz

Case Material

Two-Tone

Case Width

40mm

Case Thickness

9.0mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

70m

Dial Color

Navy

Jewels

36j

Frequency

36,000 bph

Power Reserve

51 hours

Year

1976

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