Seiko Cal. 4481 - 320

The Seiko 4481-320 represents an important milestone in Seiko's 1988 lineup. It features a Green dial protected by a Mineral crystal and offers 170m of water resistance. [seikata-wm-3be0a516421c]

Also known as: Helmet

Specifications

Movement

Automatic

Case Material

Two-Tone

Case Width

40mm

Case Thickness

12.4mm

Lug Width

20mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

170m

Dial Color

Green

Jewels

35j

Frequency

28,800 bph

Power Reserve

48 hours

Year

1988

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