Seiko Cal. 4537 - 384

The 4537-384 is a sought-after Solar piece from Seiko's golden era. Powered by the 4537 caliber with 23j jewels beating at 28,800 bph, it delivers a 49 hours power reserve. [seikata-wm-a4de256b512f]

Also known as: UFO

Specifications

Movement

Solar

Case Material

Gold-Plated

Case Width

38mm

Case Thickness

15.8mm

Lug Width

22mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

130m

Dial Color

Silver

Jewels

23j

Frequency

28,800 bph

Power Reserve

49 hours

Year

1978

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