Seiko Cal. 5240 - 177

The 5240-177 is a sought-after Quartz piece from Seiko's golden era. Powered by the 5240 caliber with 25j jewels beating at 21,600 bph, it delivers a 56 hours power reserve. [seikata-wm-dc2fb47d7530]

Also known as: Tuna

Specifications

Movement

Quartz

Case Material

Hardlex-Coated Steel

Case Width

37mm

Case Thickness

8.9mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

180m

Dial Color

White

Jewels

25j

Frequency

21,600 bph

Power Reserve

56 hours

Year

1997

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