Seiko Cal. 4531 - 598

The Seiko 4531-598 represents an important milestone in Seiko's 1993 lineup. Powered by the 4531 caliber with 20j jewels beating at 21,600 bph, it delivers a 56 hours power reserve. [seikata-wm-3edd9e5d7a54]

Also known as: Monster, Baby Tuna

Specifications

Movement

Solar

Case Material

Two-Tone

Case Width

44mm

Case Thickness

15.2mm

Lug Width

20mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

160m

Dial Color

White

Jewels

20j

Frequency

21,600 bph

Power Reserve

56 hours

Year

1993

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