Seiko Cal. 5646 - 489

The 5646-489 is a sought-after Hand-Winding piece from Seiko's golden era. The Coin-Edge bezel and 43mm case give it a distinctive presence on the wrist. [seikata-wm-5af92f3ee0fa]

Also known as: Monster, Bellmatic

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

43mm

Case Thickness

9.7mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

120m

Dial Color

Champagne

Jewels

30j

Frequency

21,600 bph

Power Reserve

63 hours

Year

1988

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