Seiko Cal. 6398 - 491

This Hand-Winding model from 1977 features a 44mm Two-Tone case. It features a Silver dial protected by a Mineral crystal and offers 50m of water resistance. [seikata-wm-00fe669641eb]

Also known as: Bullhead, Bellmatic

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

44mm

Case Thickness

15.6mm

Lug Width

22mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

50m

Dial Color

Silver

Jewels

31j

Frequency

21,600 bph

Power Reserve

55 hours

Year

1977

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