Seiko Cal. 5645 - 939

The 5645-939 is a sought-after Solar piece from Seiko's golden era. Powered by the 5645 caliber with 22j jewels beating at 36,000 bph, it delivers a 40 hours power reserve. [seikata-wm-ef9bcc8b8056]

Also known as: Monster

Specifications

Movement

Solar

Case Material

Gold-Plated

Case Width

38mm

Case Thickness

14.8mm

Lug Width

18mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

200m

Dial Color

Burgundy

Jewels

22j

Frequency

36,000 bph

Power Reserve

40 hours

Year

1983

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