Seiko Cal. 4539 - 155

The Seiko 4539-155 represents an important milestone in Seiko's 1988 lineup. Powered by the 4539 caliber with 30j jewels beating at 36,000 bph, it delivers a 66 hours power reserve. [seikata-wm-d135f31184ec]

Also known as: Shogun, Sportsmatic

Specifications

Movement

Quartz

Case Material

Titanium

Case Width

40mm

Case Thickness

10.2mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

40m

Dial Color

Champagne

Jewels

30j

Frequency

36,000 bph

Power Reserve

66 hours

Year

1988

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