Seiko Cal. 5648 - 828

This Hand-Winding model from 1981 features a 45mm Titanium case. It features a Navy dial protected by a Mineral crystal and offers 140m of water resistance. [seikata-wm-430f80f8b2cf]

Also known as: Navigator

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

45mm

Case Thickness

15.2mm

Lug Width

20mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

140m

Dial Color

Navy

Jewels

33j

Frequency

28,800 bph

Power Reserve

39 hours

Year

1981

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