Seiko Cal. 4530 - 857

The Seiko 4530-857 represents an important milestone in Seiko's 1972 lineup. Powered by the 4530 caliber with 25j jewels beating at 28,800 bph, it delivers a 72 hours power reserve. [seikata-wm-e50f6206f7f3]

Also known as: Shogun, Tuna

Specifications

Movement

Automatic

Case Material

Titanium

Case Width

39mm

Case Thickness

15.0mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

40m

Dial Color

Champagne

Jewels

25j

Frequency

28,800 bph

Power Reserve

72 hours

Year

1972

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