Seiko Cal. 5630 - 877

This Hand-Winding model from 1975 features a 34mm Two-Tone case. It features a Green dial protected by a Sapphire crystal and offers 120m of water resistance. [seikata-wm-aeb70e8acffd]

Also known as: World Timer, Crown

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

34mm

Case Thickness

9.2mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

120m

Dial Color

Green

Jewels

21j

Frequency

28,800 bph

Power Reserve

65 hours

Year

1975

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