Seiko Cal. 4421 - 591

The Seiko 4421-591 represents an important milestone in Seiko's 1998 lineup. It features a Silver dial protected by a Mineral crystal and offers 70m of water resistance. [seikata-wm-e3671de222c9]

Also known as: Monster

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

37mm

Case Thickness

13.2mm

Lug Width

19mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

70m

Dial Color

Silver

Jewels

23j

Frequency

28,800 bph

Power Reserve

36 hours

Year

1998

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