Seiko Cal. 6140 - 654

The 6140-654 is a sought-after Quartz piece from Seiko's golden era. It features a Blue Sunburst dial protected by a Acrylic crystal and offers 30m of water resistance. [seikata-wm-7c343b4a0c43]

Also known as: Baby Tuna

Specifications

Movement

Quartz

Case Material

Hardlex-Coated Steel

Case Width

36mm

Case Thickness

15.5mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

30m

Dial Color

Blue Sunburst

Jewels

32j

Frequency

21,600 bph

Power Reserve

40 hours

Year

1991

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