Seiko Cal. 4537 - 111

The 4537-111 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 4537 caliber with 28j jewels beating at 21,600 bph, it delivers a 58 hours power reserve. [seikata-wm-d000d856cc8b]

Also known as: Samurai, Panda

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

40mm

Case Thickness

8.2mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

60m

Dial Color

Green

Jewels

28j

Frequency

21,600 bph

Power Reserve

58 hours

Year

1988

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