Seiko Cal. 4491 - 316

The Seiko 4491-316 represents an important milestone in Seiko's 1966 lineup. It features a Silver dial protected by a Mineral crystal and offers 100m of water resistance. [seikata-wm-f5b0cf57d878]

Also known as: Turtle

Specifications

Movement

Solar

Case Material

Gold-Plated

Case Width

40mm

Case Thickness

8.5mm

Lug Width

21mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

100m

Dial Color

Silver

Jewels

33j

Frequency

21,600 bph

Power Reserve

60 hours

Year

1966

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