Seiko Cal. 6271 - 739

This Hand-Winding model from 1976 features a 36mm Two-Tone case. It features a Black dial protected by a Sapphire crystal and offers 90m of water resistance. [seikata-wm-9b4070840b80]

Also known as: Crown

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

36mm

Case Thickness

13.6mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

90m

Dial Color

Black

Jewels

18j

Frequency

28,800 bph

Power Reserve

65 hours

Year

1976

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