Seiko Cal. 4530 - 389

The Seiko 4530-389 represents an important milestone in Seiko's 1981 lineup. Powered by the 4530 caliber with 28j jewels beating at 36,000 bph, it delivers a 38 hours power reserve. [seikata-wm-1391e0a34c1c]

Also known as: Bullhead, Baby Tuna

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

39mm

Case Thickness

8.4mm

Lug Width

18mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

50m

Dial Color

Navy

Jewels

28j

Frequency

36,000 bph

Power Reserve

38 hours

Year

1981

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