Seiko Cal. 4550 - 645

The Seiko 4550-645 represents an important milestone in Seiko's 1986 lineup. Powered by the 4550 caliber with 27j jewels beating at 36,000 bph, it delivers a 38 hours power reserve. [seikata-wm-64614d0b0901]

Also known as: Goldfeather

Specifications

Movement

Solar

Case Material

Two-Tone

Case Width

38mm

Case Thickness

9.6mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

140m

Dial Color

Green

Jewels

27j

Frequency

36,000 bph

Power Reserve

38 hours

Year

1986

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