Seiko Cal. 4486 - 623

The Seiko 4486-623 represents an important milestone in Seiko's 1978 lineup. It features a Black dial protected by a Mineral crystal and offers 190m of water resistance. [seikata-wm-4b63ff9e42a9]

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

42mm

Case Thickness

10.5mm

Lug Width

22mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

190m

Dial Color

Black

Jewels

28j

Frequency

36,000 bph

Power Reserve

56 hours

Year

1978

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