Seiko Cal. 4415 - 621

The Seiko 4415-621 represents an important milestone in Seiko's 1982 lineup. It features a Green dial protected by a Mineral crystal and offers 140m of water resistance. [seikata-wm-b9c41ab2b1a7]

Also known as: Monster, Bullhead

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

41mm

Case Thickness

11.4mm

Lug Width

20mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

140m

Dial Color

Green

Jewels

35j

Frequency

36,000 bph

Power Reserve

41 hours

Year

1982

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