Seiko Cal. 4539 - 348

The Seiko 4539-348 represents an important milestone in Seiko's 1977 lineup. Powered by the 4539 caliber with 24j jewels beating at 36,000 bph, it delivers a 67 hours power reserve. [seikata-wm-24ddfef961d5]

Also known as: Sumo, Tuna

Specifications

Movement

Solar

Case Material

Titanium

Case Width

40mm

Case Thickness

14.2mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

180m

Dial Color

Champagne

Jewels

24j

Frequency

36,000 bph

Power Reserve

67 hours

Year

1977

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