Seiko Cal. 4415 - 641

The Seiko 4415-641 represents an important milestone in Seiko's 1975 lineup. It features a White dial protected by a Sapphire crystal and offers 150m of water resistance. [seikata-wm-a08f2748ce34]

Also known as: Bullhead

Specifications

Movement

Solar

Case Material

Gold-Plated

Case Width

42mm

Case Thickness

9.4mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

150m

Dial Color

White

Jewels

29j

Frequency

28,800 bph

Power Reserve

36 hours

Year

1975

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