Seiko Cal. 7040 - 636

This Quartz model from 1977 features a 40mm Two-Tone case. The Bidirectional bezel and 40mm case give it a distinctive presence on the wrist. [seikata-wm-f12d288cf319]

Specifications

Movement

Quartz

Case Material

Two-Tone

Case Width

40mm

Case Thickness

8.8mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

120m

Dial Color

Silver

Jewels

33j

Frequency

21,600 bph

Power Reserve

37 hours

Year

1977

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