Seiko Cal. 5646 - 310

This Automatic model from 1972 features a 38mm Two-Tone case. It features a Green dial protected by a Mineral crystal and offers 110m of water resistance. [seikata-wm-87e9bf5930f8]

Also known as: Rally, Navigator

Specifications

Movement

Automatic

Case Material

Two-Tone

Case Width

38mm

Case Thickness

12.5mm

Lug Width

19mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

110m

Dial Color

Green

Jewels

24j

Frequency

36,000 bph

Power Reserve

58 hours

Year

1972

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