Seiko Cal. 6361 - 633

The 6361-633 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 6361 caliber with 24j jewels beating at 21,600 bph, it delivers a 44 hours power reserve. [seikata-wm-285e29eefc85]

Also known as: Helmet, Goldfeather

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

45mm

Case Thickness

9.3mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

180m

Dial Color

Silver

Jewels

24j

Frequency

21,600 bph

Power Reserve

44 hours

Year

1987

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