Seiko Cal. 6370 - 540

The 6370-540 is a sought-after Automatic piece from Seiko's golden era. Powered by the 6370 caliber with 32j jewels beating at 36,000 bph, it delivers a 69 hours power reserve. [seikata-wm-95432e92dc86]

Also known as: Samurai, Golden Tuna

Specifications

Movement

Automatic

Case Material

Two-Tone

Case Width

37mm

Case Thickness

9.6mm

Lug Width

20mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

120m

Dial Color

Silver

Jewels

32j

Frequency

36,000 bph

Power Reserve

69 hours

Year

1987

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