Seiko Cal. 4481 - 505

Released in 1968, the Cal. 4481 with design code 505 was part of Seiko's domestic market collection. It features a Green dial protected by a Hardlex crystal and offers 100m of water resistance. [seikata-wm-d08ac92fa58e]

Also known as: Monster, Crown

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

40mm

Case Thickness

13.8mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

100m

Dial Color

Green

Jewels

29j

Frequency

28,800 bph

Power Reserve

63 hours

Year

1968

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