Seiko Cal. 6397 - 366

This Hand-Winding model from 1990 features a 38mm PVD Black case. It features a Cream dial protected by a Sapphire crystal and offers 140m of water resistance. [seikata-wm-f49a2b4972f7]

Also known as: Tuna

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

38mm

Case Thickness

9.4mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

140m

Dial Color

Cream

Jewels

29j

Frequency

36,000 bph

Power Reserve

65 hours

Year

1990

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