Seiko Cal. 4539 - 870

The Seiko 4539-870 represents an important milestone in Seiko's 1986 lineup. Powered by the 4539 caliber with 36j jewels beating at 28,800 bph, it delivers a 53 hours power reserve. [seikata-wm-a3cc589ef518]

Also known as: Silverwave, Baby Tuna

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

45mm

Case Thickness

13.3mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

150m

Dial Color

Cream

Jewels

36j

Frequency

28,800 bph

Power Reserve

53 hours

Year

1986

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