Seiko Cal. 4486 - 956

The Seiko 4486-956 represents an important milestone in Seiko's 1987 lineup. The Coin-Edge bezel and 40mm case give it a distinctive presence on the wrist. [seikata-wm-e663e04ffb06]

Also known as: Helmet

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

40mm

Case Thickness

15.3mm

Lug Width

20mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

170m

Dial Color

White

Jewels

24j

Frequency

28,800 bph

Power Reserve

54 hours

Year

1987

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