Seiko Cal. 5647 - 436

The Seiko 5647-436 represents an important milestone in Seiko's 1977 lineup. It features a Cream dial protected by a Mineral crystal and offers 150m of water resistance. [seikata-wm-e80eb371000b]

Also known as: Navigator, Emperor

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

45mm

Case Thickness

15.2mm

Lug Width

19mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

150m

Dial Color

Cream

Jewels

35j

Frequency

28,800 bph

Power Reserve

72 hours

Year

1977

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