Seiko Cal. 4538 - 136

Released in 1995, the Cal. 4538 with design code 136 was part of Seiko's domestic market collection. Powered by the 4538 caliber with 26j jewels beating at 36,000 bph, it delivers a 71 hours power reserve. [seikata-wm-4b3ba3391fa0]

Also known as: Helmet

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

44mm

Case Thickness

12.5mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

30m

Dial Color

Green

Jewels

26j

Frequency

36,000 bph

Power Reserve

71 hours

Year

1995

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