Seiko Cal. 5646 - 321

The 5646-321 is a sought-after Spring Drive piece from Seiko's golden era. It features a Green dial protected by a Mineral crystal and offers 170m of water resistance. [seikata-wm-3a284ca823f2]

Also known as: Arnie

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

36mm

Case Thickness

13.8mm

Lug Width

18mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

170m

Dial Color

Green

Jewels

25j

Frequency

36,000 bph

Power Reserve

64 hours

Year

1985

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