Seiko Cal. 5230 - 983

The Seiko 5230-983 represents an important milestone in Seiko's 1977 lineup. It features a Green dial protected by a Mineral crystal and offers 150m of water resistance. [seikata-wm-04c26ccbe37a]

Also known as: World Timer

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

40mm

Case Thickness

14.8mm

Lug Width

20mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

150m

Dial Color

Green

Jewels

24j

Frequency

21,600 bph

Power Reserve

51 hours

Year

1977

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