Seiko Cal. 7042 - 521

The 7042-521 is a sought-after Hand-Winding piece from Seiko's golden era. Powered by the 7042 caliber with 22j jewels beating at 21,600 bph, it delivers a 37 hours power reserve. [seikata-wm-3fc7e3fa7e11]

Also known as: Bellmatic, Flighty

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

40mm

Case Thickness

13.7mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

40m

Dial Color

Silver

Jewels

22j

Frequency

21,600 bph

Power Reserve

37 hours

Year

1977

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