Seiko Cal. 0774 - 391

This Hand-Winding model from 1971 features a 40mm Two-Tone case. It features a Navy dial protected by a Hardlex crystal and offers 170m of water resistance. [seikata-wm-f154f361549d]

Also known as: Bullhead, Sportsmatic

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

40mm

Case Thickness

10.1mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

170m

Dial Color

Navy

Jewels

32j

Frequency

36,000 bph

Power Reserve

44 hours

Year

1971

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