Seiko Cal. 4536 - 591

The Seiko 4536-591 represents an important milestone in Seiko's 1988 lineup. It features a White dial protected by a Mineral crystal and offers 100m of water resistance. [seikata-wm-2426622a9a98]

Also known as: World Timer

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

44mm

Case Thickness

10.8mm

Lug Width

20mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

100m

Dial Color

White

Jewels

22j

Frequency

36,000 bph

Power Reserve

54 hours

Year

1988

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