Seiko Cal. 6140 - 257

Released in 1978, the Cal. 6140 with design code 257 was part of Seiko's domestic market collection. It features a Navy dial protected by a Sapphire crystal and offers 120m of water resistance. [seikata-wm-f38a4c3eb311]

Also known as: Emperor, Flighty

Specifications

Movement

Solar

Case Material

Titanium

Case Width

39mm

Case Thickness

13.0mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

120m

Dial Color

Navy

Jewels

21j

Frequency

28,800 bph

Power Reserve

37 hours

Year

1978

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