Seiko Cal. 4521 - 455

The 4521-455 is a sought-after Automatic piece from Seiko's golden era. It features a White dial protected by a Mineral crystal and offers 90m of water resistance. [seikata-wm-65c01a312b0f]

Also known as: Rally, World Timer

Specifications

Movement

Automatic

Case Material

Hardlex-Coated Steel

Case Width

40mm

Case Thickness

8.3mm

Lug Width

22mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

90m

Dial Color

White

Jewels

36j

Frequency

28,800 bph

Power Reserve

46 hours

Year

1973

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