Seiko Cal. 7140 - 388

This Hand-Winding model from 1965 features a 37mm Two-Tone case. It features a Navy dial protected by a Acrylic crystal and offers 30m of water resistance. [seikata-wm-26ffdbd1d138]

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

37mm

Case Thickness

11.1mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

30m

Dial Color

Navy

Jewels

21j

Frequency

21,600 bph

Power Reserve

36 hours

Year

1965

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