Seiko Cal. 0741 - 643

The 0741-643 is a sought-after Quartz piece from Seiko's golden era. Powered by the 0741 caliber with 18j jewels beating at 21,600 bph, it delivers a 64 hours power reserve. [seikata-wm-a2e22c790ea5]

Also known as: Helmet, Golden Tuna

Specifications

Movement

Quartz

Case Material

PVD Black

Case Width

35mm

Case Thickness

14.3mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

160m

Dial Color

Silver

Jewels

18j

Frequency

21,600 bph

Power Reserve

64 hours

Year

1997

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