Seiko Cal. 5640 - 779

This Hand-Winding model from 1977 features a 44mm Two-Tone case. It features a Champagne dial protected by a Mineral crystal and offers 200m of water resistance. [seikata-wm-4375a2316675]

Also known as: Shogun

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

44mm

Case Thickness

12.1mm

Lug Width

19mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

200m

Dial Color

Champagne

Jewels

18j

Frequency

36,000 bph

Power Reserve

40 hours

Year

1977

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