Seiko Cal. 4490 - 747

The Seiko 4490-747 represents an important milestone in Seiko's 1976 lineup. It features a White dial protected by a Mineral crystal and offers 140m of water resistance. [seikata-wm-4cf877a05279]

Also known as: Shogun, Bellmatic

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

42mm

Case Thickness

11.4mm

Lug Width

20mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

140m

Dial Color

White

Jewels

24j

Frequency

21,600 bph

Power Reserve

58 hours

Year

1976

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