Seiko Cal. 4591 - 186

The Seiko 4591-186 represents an important milestone in Seiko's 1969 lineup. Powered by the 4591 caliber with 30j jewels beating at 21,600 bph, it delivers a 45 hours power reserve. [seikata-wm-08667867cbd4]

Also known as: Panda, Silverwave

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

44mm

Case Thickness

10.0mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

160m

Dial Color

Cream

Jewels

30j

Frequency

21,600 bph

Power Reserve

45 hours

Year

1969

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