Seiko Cal. 4488 - 310

The Seiko 4488-310 represents an important milestone in Seiko's 1981 lineup. It features a White dial protected by a Sapphire crystal and offers 30m of water resistance. [seikata-wm-839213726517]

Also known as: Bellmatic

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

38mm

Case Thickness

10.8mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

30m

Dial Color

White

Jewels

27j

Frequency

28,800 bph

Power Reserve

63 hours

Year

1981

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