Seiko Cal. 6181 - 298

This Hand-Winding model from 1970 features a 37mm Two-Tone case. It features a Navy dial protected by a Sapphire crystal and offers 70m of water resistance. [seikata-wm-71dfa90ecf58]

Also known as: Bellmatic

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

37mm

Case Thickness

8.2mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

70m

Dial Color

Navy

Jewels

20j

Frequency

21,600 bph

Power Reserve

47 hours

Year

1970

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