Seiko Cal. 5644 - 778

The Seiko 5644-778 represents an important milestone in Seiko's 1984 lineup. It features a White dial protected by a Mineral crystal and offers 70m of water resistance. [seikata-wm-a5c4d66f8a66]

Specifications

Movement

Solar

Case Material

Titanium

Case Width

44mm

Case Thickness

9.5mm

Lug Width

18mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

70m

Dial Color

White

Jewels

32j

Frequency

28,800 bph

Power Reserve

46 hours

Year

1984

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