Seiko Cal. 5646 - 942

The 5646-942 is a sought-after Solar piece from Seiko's golden era. The Coin-Edge bezel and 42mm case give it a distinctive presence on the wrist. [seikata-wm-df1dbd447f94]

Also known as: Bullhead

Specifications

Movement

Solar

Case Material

Stainless Steel

Case Width

42mm

Case Thickness

8.9mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

40m

Dial Color

Black

Jewels

31j

Frequency

21,600 bph

Power Reserve

61 hours

Year

1991

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