Seiko Cal. 4521 - 241

The Seiko 4521-241 represents an important milestone in Seiko's 1968 lineup. It features a Cream dial protected by a Mineral crystal and offers 130m of water resistance. [seikata-wm-2c77517e70b4]

Also known as: Monster

Specifications

Movement

Kinetic

Case Material

Hardlex-Coated Steel

Case Width

37mm

Case Thickness

15.8mm

Lug Width

20mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

130m

Dial Color

Cream

Jewels

32j

Frequency

21,600 bph

Power Reserve

46 hours

Year

1968

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