Seiko Cal. 6320 - 433

The Seiko 6320-433 represents an important milestone in Seiko's 1970 lineup. It features a Green dial protected by a Mineral crystal and offers 110m of water resistance. [seikata-wm-e10cc732c6f3]

Also known as: Bullhead, Sportsmatic

Specifications

Movement

Quartz

Case Material

Two-Tone

Case Width

40mm

Case Thickness

12.3mm

Lug Width

22mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

110m

Dial Color

Green

Jewels

36j

Frequency

28,800 bph

Power Reserve

71 hours

Year

1970

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