Seiko Cal. 5270 - 320

This Hand-Winding model from 1978 features a 35mm PVD Black case. It features a White dial protected by a Hardlex crystal and offers 50m of water resistance. [seikata-wm-76beb8090d5c]

Also known as: Navigator

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

35mm

Case Thickness

15.5mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

50m

Dial Color

White

Jewels

18j

Frequency

28,800 bph

Power Reserve

37 hours

Year

1978

Related Models

• Seiko 6329-265
• Seiko 4558-962
• Seiko 6122-346
• Seiko 6335-399
• Seiko 3818-511
• Seiko 6116-751
• Seiko 6689-134
• Seiko 7027-648
• Seiko 6699-390
• Seiko 6350-401
• Seiko 6320-613
• Seiko 6648-439