Seiko Cal. 5644 - 155

This Spring Drive model from 1987 features a 41mm Gold-Plated case. Powered by the 5644 caliber with 23j jewels beating at 36,000 bph, it delivers a 53 hours power reserve. [seikata-wm-d04c199abad2]

Also known as: Rally, Crown

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

41mm

Case Thickness

12.6mm

Lug Width

18mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

190m

Dial Color

Green

Jewels

23j

Frequency

36,000 bph

Power Reserve

53 hours

Year

1987

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