Seiko Cal. 5661 - 156

This Hand-Winding model from 1975 features a 35mm Two-Tone case. It features a Green dial protected by a Sapphire crystal and offers 50m of water resistance. [seikata-wm-ef3ced0d7a3c]

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

35mm

Case Thickness

9.5mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

50m

Dial Color

Green

Jewels

30j

Frequency

28,800 bph

Power Reserve

47 hours

Year

1975

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