Seiko Cal. 6632 - 594

The 6632-594 is a sought-after Automatic piece from Seiko's golden era. Powered by the 6632 caliber with 18j jewels beating at 36,000 bph, it delivers a 66 hours power reserve. [seikata-wm-90f7f49cc8bd]

Also known as: Tuna, Arnie

Specifications

Movement

Automatic

Case Material

Gold-Plated

Case Width

45mm

Case Thickness

15.4mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

140m

Dial Color

Burgundy

Jewels

18j

Frequency

36,000 bph

Power Reserve

66 hours

Year

1990

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