Seiko Cal. 4451 - 485

The Seiko 4451-485 represents an important milestone in Seiko's 1974 lineup. It features a Silver dial protected by a Sapphire crystal and offers 100m of water resistance. [seikata-wm-580f2daa29eb]

Also known as: Tuna

Specifications

Movement

Automatic

Case Material

Titanium

Case Width

39mm

Case Thickness

12.8mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

100m

Dial Color

Silver

Jewels

30j

Frequency

28,800 bph

Power Reserve

63 hours

Year

1974

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