Seiko Cal. 4541 - 633

The Seiko 4541-633 represents an important milestone in Seiko's 1975 lineup. It features a White dial protected by a Acrylic crystal and offers 140m of water resistance. [seikata-wm-f4a497956ba5]

Also known as: Bullhead, Golden Tuna

Specifications

Movement

Automatic

Case Material

Two-Tone

Case Width

36mm

Case Thickness

13.5mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

140m

Dial Color

White

Jewels

26j

Frequency

28,800 bph

Power Reserve

72 hours

Year

1975

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